Civic Intelligence

Iop Publishing Incorporated

EIN 23-2659520 • 501(c)3 • Philadelphia, PA

View Organization Page

Profile

Iop publishing is a wholly owned subsidiary of the institute of physics. The institute is a leading scientific society promoting physics. It works to advance physics research and education.

3675 Market Street 200Philadelphia, PA 19104

www.ioppublishing.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

59th percentile

0.19x

Higher debt load relative to assets than 59% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2024

Liabilities / Revenue

30th percentile

0.06x

Higher debt load relative to revenue than 30% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2024

Net Margin

34th percentile

-1.0%

Higher net margin than 34% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2024

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

9th percentile

-14%

Faster asset growth than 9% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Annualized from 2023 to 2024

Revenue Growth

27th percentile

-4.5%

Faster revenue growth than 27% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets59th percentile

Assets

Down

$1,661,584

Down $263,896 (-14%) from 2023

Liabilities

Down

$323,333

Down $233,710 (-42%) from 2023

Net Assets

Down

$1,338,251

Down $30,186 (-2.2%) from 2023

Operations
Liabilities / Revenue30th percentileNet Margin34th percentile

Revenue

Down

$5,308,729

Down $252,729 (-4.5%) from 2023

Expenses

Down

$5,360,024

Down $143,908 (-2.6%) from 2023

Net Income

Down

-$51,295

Down $108,821 (-189%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth9th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$8.0M$6.0M$4.0M$2.0M$0Assets 2010: $2,358,502Liabilities 2010: $300,359Net Assets 2010: $2,058,1432010Assets 2011: $2,908,955Liabilities 2011: $458,867Net Assets 2011: $2,450,0882011Assets 2012: $2,088,316Liabilities 2012: $444,378Net Assets 2012: $1,643,9382012Assets 2013: $2,698,152Liabilities 2013: $443,148Net Assets 2013: $2,255,0042013Assets 2014: $3,713,308Liabilities 2014: $587,714Net Assets 2014: $3,125,5942014Assets 2015: $4,433,609Liabilities 2015: $524,630Net Assets 2015: $3,908,9792015Assets 2016: $4,617,141Liabilities 2016: $691,281Net Assets 2016: $3,925,8602016Assets 2017: $5,546,157Liabilities 2017: $752,718Net Assets 2017: $4,793,4392017Assets 2018: $6,051,954Liabilities 2018: $447,907Net Assets 2018: $5,604,0472018Assets 2019: $6,718,833Liabilities 2019: $349,629Net Assets 2019: $6,369,2042019Assets 2020: $1,317,050Liabilities 2020: $396,319Net Assets 2020: $920,7312020Assets 2021: $1,720,227Liabilities 2021: $431,601Net Assets 2021: $1,288,6262021Assets 2022: $1,975,090Liabilities 2022: $679,156Net Assets 2022: $1,295,9342022Assets 2023: $1,925,480Liabilities 2023: $557,043Net Assets 2023: $1,368,4372023Assets 2024: $1,661,584Liabilities 2024: $323,333Net Assets 2024: $1,338,2512024

Highlighted filing

2024

Assets$1,661,584
Liabilities$323,333
Net Assets$1,338,251
Open 2024 Filing

Operations Trend

Revenue Growth27th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$15M$10M$5.0M$0-$5.0M-$10MExpenses 2010: $3,045,8072010Expenses 2011: $3,323,5052011Revenue 2012: $4,204,076Expenses 2012: $3,624,873Net Income 2012: $579,2032012Revenue 2013: $4,869,406Expenses 2013: $4,268,387Net Income 2013: $601,0192013Revenue 2014: $5,601,322Expenses 2014: $4,788,252Net Income 2014: $813,0702014Revenue 2015: $5,744,359Expenses 2015: $4,975,316Net Income 2015: $769,0432015Revenue 2016: $6,363,590Expenses 2016: $5,405,661Net Income 2016: $957,9292016Revenue 2017: $6,476,875Expenses 2017: $5,624,118Net Income 2017: $852,7572017Revenue 2018: $6,006,099Expenses 2018: $5,201,887Net Income 2018: $804,2122018Revenue 2019: $5,580,723Expenses 2019: $4,831,920Net Income 2019: $748,8032019Revenue 2020: $5,679,912Expenses 2020: $11,141,241Net Income 2020: -$5,461,3292020Revenue 2021: $5,024,861Expenses 2021: $5,685,050Net Income 2021: -$660,1892021Revenue 2022: $5,102,329Expenses 2022: $5,105,013Net Income 2022: -$2,6842022Revenue 2023: $5,561,458Expenses 2023: $5,503,932Net Income 2023: $57,5262023Revenue 2024: $5,308,729Expenses 2024: $5,360,024Net Income 2024: -$51,2952024

Highlighted filing

2024

Revenue$5,308,729
Expenses$5,360,024
Net Income-$51,295
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$1,661,584
Liabilities
$323,333
Net assets
$1,338,251
Revenue
$5,308,729
Expenses
$5,360,024
Net income
-$51,295
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$1.66$0.32$1.34$5.31$5.36$0.05
2023Detailed filing. Detailed filing data is available for this year.$1.93$0.56$1.37$5.56$5.50$0.06
2022Detailed filing. Detailed filing data is available for this year.$1.98$0.68$1.30$5.10$5.11$0.00
2021Detailed filing. Detailed filing data is available for this year.$1.72$0.43$1.29$5.02$5.69$0.66
2020Detailed filing. Detailed filing data is available for this year.$1.32$0.40$0.92$5.68$11.1$5.46
2019Detailed filing. Detailed filing data is available for this year.$6.72$0.35$6.37$5.58$4.83$0.75
2018Detailed filing. Detailed filing data is available for this year.$6.05$0.45$5.60$6.01$5.20$0.80
2017Detailed filing. Detailed filing data is available for this year.$5.55$0.75$4.79$6.48$5.62$0.85
2016Detailed filing. Detailed filing data is available for this year.$4.62$0.69$3.93$6.36$5.41$0.96
2015Detailed filing. Detailed filing data is available for this year.$4.43$0.52$3.91$5.74$4.98$0.77
2014Detailed filing. Detailed filing data is available for this year.$3.71$0.59$3.13$5.60$4.79$0.81
2013Detailed filing. Detailed filing data is available for this year.$2.70$0.44$2.26$4.87$4.27$0.60
2012Summary only. Only limited summary data is available for this year.$2.09$0.44$1.64$4.20$3.62$0.58
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.91$0.46$2.45$3.32
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.36$0.30$2.06$3.05
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Nov 13, 2025
Return Version
2024v5.2
Gross Receipts
$5,324,837
Mission and Program Overview

Mission

The promotion and publication of educational material related to physics; participate in meetings, lectures, exhibits and conferences related to physics.

A wholly owned subsidiary of the institute of physics. The institute is a leading scientific society promoting physics it works to advance physics research and education.

Balance Sheet Detail
LineBeginningEndChange
Assets
Rtn Earn Endowment Incm Other Fnds$1,368,437$1,338,251▼ $30,186
Cash and Non-Interest-Bearing Accounts$219,115$415,597▲ $196,482
Prepaid Expenses and Deferred Charges$84,298$54,119▼ $30,179
Land, Buildings, and Equipment, Net$67,691$16,275▼ $51,416
Pd in Cap Srpls Land Bldg Eqp Fund$0$0→ $0
Cap Stk Tr Prin Current Funds$0$0→ $0
Total Assets$1,925,480$1,661,584▼ $263,896
Other Assets Total$1,554,376$1,175,593▼ $378,783
Liabilities
Accounts Payable and Accrued Expenses$433,415--
Other Liabilities$123,628$323,333▲ $199,705
Total Liabilities$557,043$323,333▼ $233,710
Net Assets / Fund Balance
Total Net Assets Fund Balance$1,368,437$1,338,251▼ $30,186
Total Liabilities and Net Assets / Fund Balance$1,925,480$1,661,584▼ $263,896

Asset Categories

AssetBook ValueDepreciationBasis
Equipment$16,275$32,793$49,068
Other Assets Org$1,460--
Compensation and Service Providers
Top Officer PayScore unavailable

Employees

NameTitleFull / Part TimeBaseOtherTotal
Ms Sharice CollinsVP, Marketing (ended 03/24)FT$16,672$231,627$248,299
Mr Gregory SchraftSales ExecutiveFT$107,223$93,479$200,702
Mr Benjamin ReismanSenior Sales ManagerFT$111,500$62,184$173,684
Mr Robert BernierRegional Sales ManagerFT$98,308$65,122$163,430
Ms Jessica MacdonaldSenior PublisherFT$122,575$17,907$140,482
Ms Ashley GasqueEbooks Commissioning EditorFT$123,528$8,724$132,252

Board Members and Trustees

NameTitle
Ms Antonia SeymourPresident
Mr 1 Tom GrinyerDirector
Professor David DeplyDirector
Sukhraj DhadwarDirector
Mr Oliver CallaghanTreasurer (ended 03/24)
Revenue and Support

Revenue Composition

Contributions and Grants
$0
Program Service Revenue
$5,324,837
Investment Income
$-16,108
Other Revenue
$0
Change in Net Assets
$-51,295

Audited Revenue Reconciliation

Revenue per Audited Statements
$5,308,729
Revenue Not Reported on Financial Statements
$0
Revenue Not Reported on Form 990
$21,109
Total Revenue per Audited Statements
$5,329,838
Total Revenue per Form 990
$5,308,729
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$3,563,848
Other Expenses$1,050,729
Grants and Similar Amounts Paid$745,447
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Current Officers, Directors, Trustees, and Key Employees$1,713,438--$1,713,438
Other Salaries and Wages$875,348$155,485-$1,030,833
Foreign Grants$745,447--$745,447
Other Employee Benefits$422,448$40,760-$463,208
Payroll Taxes$207,076$12,045-$219,121
Travel$191,115--$191,115
Pension Plan Contributions$125,587$11,661-$137,248
Occupancy$114,131--$114,131
Office Expenses$37,852$55,738-$93,590
Advertising$82,232--$82,232
Fees for Services Accounting-$50,373-$50,373
Depreciation Depletion$36,777--$36,777
Information Technology$18,142--$18,142
Insurance-$15,426-$15,426
Fees for Services Legal-$9,827-$9,827
Conferences and Meetings$7,267--$7,267
Other Expenses$2,008--$2,008
Total Functional Expenses$5,008,709$351,315$0$5,360,024

Audited Expense Reconciliation

Line ItemAmount
Expenses per Audited Statements$5,360,024
Total Expenses per Audited Statements$5,360,024
Total Expenses per Form 990$5,360,024
Expenses Not Reported on Financial Statements$0
Expenses Not Reported on Form 990$0
International Activity

International Summary

Offices
0
Employees
6
Spending
$1,108,700

International Compliance

Activity in boycott countries
No
Foreign corporation ownership
No
Foreign partnership interest
No
Interest in foreign trust
No
Passive foreign investment company interest
No
Transfers to foreign corporations
No

International Activities

RegionActivityServicesOfficesEmployeesSpending
Europe (including Iceland & Greenland) - Albania, Andorra, Austria, BelgiumProgram ServicesEducational Contribution04$745,447
North America - Canada and Mexico, But Not the United StatesProgram ServicesPromotion of Physics and Education in the Region.02$363,253
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Operating Lease Liability$323,333
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
No
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
Yes
Conflict-of-interest policy
Yes
Audited financial statements prepared
Yes
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 8B

“The governing body of the organization does not have separate committees. Therefore this is not applicable.”

Form 990, Part VI, Section B, Line 11B

“A copy of the 990 will be provided to the finance director, who will review the 990 with the board of directors before it is filed.”

Form 990, Part VI, Section B, Line 12C

“All members of the board of directors are covered under the organization's conflict of interest policy and all board of director members are included in the determination of conflicts of interest. Any board member with a conflict of interest is required to disclose both its existence and all facts surrounding the conflict to the board. If a board member is determined to have a conflict of interest, he or she is prohibited from participating in the deliberations and decisions relating to conflicting transactions.”

Form 990, Part VI, Section B, Line 15

“The compensation of all employees and management are approved on an annual basis by the board of directors. The board of directors uses comparable data, including industry statistics and guidestar.com, to determine compensation amounts.”

Form 990, Part VI, Section C, Line 18

“Information is available on guidestar and upon request”

Form 990, Part VI, Section C, Line 19

“Information is available upon request'”

Filing and Contact Details

Filer

Filer Name
Iop Publishing Incorporated
EIN
23-2659520
Phone
2156270880
Address
3675 MARKET STREET 200, PHILADELPHIA, PA 19104

Signing Officer

Name
Sukhraj Dhadwar
Title
Treasurer
Phone
2156270880
Signed
2025-11-13
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Sukhraj Dhadwar
Formed
1991
Legal Domicile
Pa
Voting Board Members
4
Independent Board Members
1
Employees
34
Volunteers
5

Preparer

Firm
Cbiz Advisors LLC
Address
1601 MARKET ST 4TH FLOOR, PHILADELPHIA, PA 19103
Preparer
Aaron M Fox
Phone
2152972100
Supplemental Narrative

Additional Explanations

FORM 990, PART XI, LINE 9:

“Income from subsidiary 21,109.”

Financial Statement Notes

PART X, LINE 2:

“Management of the organization considers the likelihood of changes by taxing authorities in its filed income tax returns and recognizes a liability for or discloses potential significant changes that management believes are more likely than not to occur upon examination by tax authorities, including changes to iopp's status as a not-for-profit entity. Management believes iopp met the requirements to maintain its tax-exempt status and has not identified any uncertain tax positions subject to the unrelated business income tax or any uncertain tax positions in their filed income tax returns that require recognition or disclosure in the accompanying consolidated financial statements.”

PART XI, LINE 2D - OTHER ADJUSTMENTS:

“Income from subsidiary 21,109.”

Raw XML AppendixShowing 400 of 685 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/Desc0IT IS THE MISSION OF THE ORGANIZATION TO PROMOTE PHYSICS AND PHYSICS EDUCATION WORLDWIDE. IOPP, INC. PROVIDES SUPPORT FOR THE PUBLISHING ACTIVITIES. IOP PUBLISHES MORE THAN 100 JOURNALS AND MAGAZINES, SOME OWNED BY IOP AND OTHERS PUBLISHED IN PARTNERSHIP WITH OTHER PRESTIGIOUS SOCIETIES AND RESEARCH ORGANIZATIONS.
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IRS990/Form990PartVIISectionAGrp/TitleTxt1DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt2PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt3DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt4TREASURER (ENDED 03/24)
IRS990/Form990PartVIISectionAGrp/TitleTxt5VP, MARKETING (ENDED 03/24)
IRS990/Form990PartVIISectionAGrp/TitleTxt6EBOOKS COMMISSIONING EDITOR
IRS990/Form990PartVIISectionAGrp/TitleTxt7SENIOR PUBLISHER
IRS990/Form990PartVIISectionAGrp/TitleTxt8REGIONAL SALES MANAGER
IRS990/Form990PartVIISectionAGrp/TitleTxt9SALES EXECUTIVE
IRS990/Form990PartVIISectionAGrp/TitleTxt10SENIOR SALES MANAGER
IRS990/Form990ProvidedToGvrnBodyInd01
IRS990/FormationYr01991
IRS990/FormerOfcrEmployeesListedInd00
IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd0X
IRS990/FSAuditedInd01
IRS990/FundraisingActivitiesInd00
IRS990/GainOrLossGrp/OtherAmt0-16108
IRS990/GamingActivitiesInd00
IRS990/GoverningBodyVotingMembersCnt04
IRS990/GrantAmt0745447
IRS990/GrantsToIndividualsInd00
IRS990/GrantsToOrganizationsInd00
IRS990/GrantToRelatedPersonInd00
IRS990/GrossReceiptsAmt05324837
IRS990/GroupReturnForAffiliatesInd00
IRS990/IncludeFIN48FootnoteInd01
IRS990/IndependentAuditFinclStmtInd00
IRS990/IndependentVotingMemberCnt01
IRS990/IndivRcvdGreaterThan100KCnt012
IRS990/IndoorTanningServicesInd00
IRS990/InfoInScheduleOPartVIInd0X
IRS990/InfoInScheduleOPartXIInd0X
IRS990/InformationTechnologyGrp/ProgramServicesAmt018142
IRS990/InformationTechnologyGrp/TotalAmt018142
IRS990/InsuranceGrp/ManagementAndGeneralAmt015426
IRS990/InsuranceGrp/TotalAmt015426
IRS990/InvestmentInJointVentureInd00
IRS990/IRPDocumentCnt013
IRS990/IRPDocumentW2GCnt00
IRS990/LandBldgEquipAccumDeprecAmt032793
IRS990/LandBldgEquipBasisNetGrp/BOYAmt067691
IRS990/LandBldgEquipBasisNetGrp/EOYAmt016275
IRS990/LandBldgEquipCostOrOtherBssAmt049068
IRS990/LegalDomicileStateCd0PA
IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt016108
IRS990/LoanOutstandingInd00
IRS990/LobbyingActivitiesInd00
IRS990/LocalChaptersInd00
IRS990/MaterialDiversionOrMisuseInd00
IRS990/MembersOrStockholdersInd00
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd00
IRS990/MinutesOfGoverningBodyInd01
IRS990/MissionDesc0IOP PUBLISHING IS A WHOLLY OWNED SUBSIDIARY OF THE INSTITUTE OF PHYSICS. THE INSTITUTE IS A LEADING SCIENTIFIC SOCIETY PROMOTING PHYSICS. IT WORKS TO ADVANCE PHYSICS RESEARCH AND EDUCATION.
IRS990/MoreThan5000KToIndividualsInd00
IRS990/MoreThan5000KToOrgInd01
IRS990/NetAssetsOrFundBalancesBOYAmt01368437
IRS990/NetAssetsOrFundBalancesEOYAmt01338251
IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt0-16108
IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt0-16108
IRS990/NetUnrelatedBusTxblIncmAmt00
IRS990/NondeductibleContributionsInd00
IRS990/OccupancyGrp/ProgramServicesAmt0114131
IRS990/OccupancyGrp/TotalAmt0114131
IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt055738
IRS990/OfficeExpensesGrp/ProgramServicesAmt037852
IRS990/OfficeExpensesGrp/TotalAmt093590
IRS990/OfficerMailingAddressInd00
IRS990/OperateHospitalInd00
IRS990/Organization501c3Ind0X
IRS990/OrgDoesNotFollowFASB117Ind0X
IRS990/OtherAssetsTotalGrp/BOYAmt01554376
IRS990/OtherAssetsTotalGrp/EOYAmt01175593
IRS990/OtherChangesInNetAssetsAmt021109
IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt040760
IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt0422448
IRS990/OtherEmployeeBenefitsGrp/TotalAmt0463208
IRS990/OtherExpensesGrp/Desc0COMMISSIONS
IRS990/OtherExpensesGrp/Desc1FREELANCE
IRS990/OtherExpensesGrp/Desc2MEALS AND ENTERTAINMENT
IRS990/OtherExpensesGrp/Desc3RECRUITMENT
IRS990/OtherExpensesGrp/ProgramServicesAmt0214634
IRS990/OtherExpensesGrp/ProgramServicesAmt1181030
IRS990/OtherExpensesGrp/ProgramServicesAmt234177
IRS990/OtherExpensesGrp/ProgramServicesAmt32008
IRS990/OtherExpensesGrp/TotalAmt0214634
IRS990/OtherExpensesGrp/TotalAmt1181030
IRS990/OtherExpensesGrp/TotalAmt234177
IRS990/OtherExpensesGrp/TotalAmt32008
IRS990/OtherLiabilitiesGrp/BOYAmt0123628
IRS990/OtherLiabilitiesGrp/EOYAmt0323333
IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt0155485
IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt0875348
IRS990/OtherSalariesAndWagesGrp/TotalAmt01030833
IRS990/OtherWebsiteInd0X
IRS990/PartialLiquidationInd00
IRS990/PayPremiumsPrsnlBnftCntrctInd00
IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt012045
IRS990/PayrollTaxesGrp/ProgramServicesAmt0207076
IRS990/PayrollTaxesGrp/TotalAmt0219121
IRS990/PdInCapSrplsLandBldgEqpFundGrp/BOYAmt00
IRS990/PdInCapSrplsLandBldgEqpFundGrp/EOYAmt00
IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt011661
IRS990/PensionPlanContributionsGrp/ProgramServicesAmt0125587
IRS990/PensionPlanContributionsGrp/TotalAmt0137248
IRS990/PoliticalCampaignActyInd00
IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt084298
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt054119
IRS990/PrincipalOfficerNm0SUKHRAJ DHADWAR
IRS990/ProfessionalFundraisingInd00
IRS990/ProgramServiceRevenueGrp/BusinessCd0323100
IRS990/ProgramServiceRevenueGrp/Desc0PUBLISHING REVENUE
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt05324837
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt05324837
IRS990/ProhibitedTaxShelterTransInd00
IRS990/PYBenefitsPaidToMembersAmt00
IRS990/PYContributionsGrantsAmt00
IRS990/PYExcessBenefitTransInd00
IRS990/PYGrantsAndSimilarPaidAmt0688999
IRS990/PYInvestmentIncomeAmt00
IRS990/PYOtherExpensesAmt01043964
IRS990/PYOtherRevenueAmt00
IRS990/PYProgramServiceRevenueAmt05561458
IRS990/PYRevenuesLessExpensesAmt057526
IRS990/PYSalariesCompEmpBnftPaidAmt03770969
IRS990/PYTotalExpensesAmt05503932
IRS990/PYTotalProfFndrsngExpnsAmt00
IRS990/PYTotalRevenueAmt05561458
IRS990/QuidProQuoContributionsInd00
IRS990/RcvFndsToPayPrsnlBnftCntrctInd00
IRS990/ReconcilationRevenueExpnssAmt0-51295
IRS990/RegularMonitoringEnfrcInd01
IRS990/RelatedEntityInd01
IRS990/RelatedOrganizationCtrlEntInd00
IRS990/ReportInvestmentsOtherSecInd00
IRS990/ReportLandBuildingEquipmentInd01
IRS990/ReportOtherAssetsInd01
IRS990/ReportOtherLiabilitiesInd01
IRS990/ReportProgramRelatedInvstInd00
IRS990/RevenueAmt05324837
IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt01368437
IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt01338251
IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlDecidingGrntFrgnOrgInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd01
IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd01
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind00
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportForeignOrgNoDetermInd01
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd00
IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd01
IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd00
IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd01
IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt0IOP PUBLISHING PROVIDED SERVICE TO THE INSTITUTE OF PHYSICS THROUGH PUBLISHING RANGE OF PHYSICS AND PHYSICS RELATED JOURNALS, COMMUNITY WEBSITES, AND MAGAZINES.
IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt1THE SUPPORTED ORGANIZATION IS A FOREIGN SUPPORTED ORGANIZATION THAT DOES NOT HAVE AN IRS DETERMINATION LETTER OF STATUS UNDER IRC 509(A)(1) OR (2). IN THE ORGANIZATION'S EXEMPTION APPLICATION FILED IN 2006, IT WAS EXPLAINED THAT THE INSTITUTE OF PHYSICS, THE FOREIGN SUPPORTED ORGANIZATION, IS A UNITED KINGDOM REGISTERED CHARITY INCORPORATED BY ROYAL CHARTER. THE ROYAL CHARTER AND BYLAWS OF THE SUPPORTED ORGANIZATION, ALONG WITH A CONFIRMING LETTER FROM THE UNITED KINGDOM CHARITY COMPLIANCE UNIT, WERE SUBMITTED TO THE IRS EXEMPTION APPLICATION REVIEWER. THE SERVICE DETERMINED THAT THE SUPPORTED ORGANIZATION WAS IN FACT DESCRIBED IN IRC 509(A)(1) OR (2).
IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt2THE SUPPORTED ORGANIZATION IS A FOREIGN SUPPORTED ORGANIZATION THAT DOES NOT HAVE AN IRS DETERMINATION LETTER OF STATUS UNDER IRC 509(A)(1) OR (2). IN THE ORGANIZATION'S EXEMPTION APPLICATION FILED IN 2006, IT WAS EXPLAINED THAT THE INSTITUTE OF PHYSICS, THE FOREIGN SUPPORTED ORGANIZATION, IS A UNITED KINGDOM REGISTERED CHARITY INCORPORATED BY ROYAL CHARTER. THE ROYAL CHARTER AND BYLAWS OF THE SUPPORTED ORGANIZATION, ALONG WITH A CONFIRMING LETTER FROM THE UNITED KINGDOM CHARITY COMPLIANCE UNIT, WERE SUBMITTED TO THE IRS EXEMPTION APPLICATION REVIEWER. THE SERVICE DETERMINED THAT THE SUPPORTED ORGANIZATION WAS IN FACT DESCRIBED IN IRC 509(A)(1) OR (2).
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc0SCHEDULE A, PART I
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc1SCHEDULE A, PART IV, LINE 2
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc2SCHEDULE A, PART IV, LINE 4C
IRS990ScheduleA/IRSWrittenDeterminationInd0X
IRS990ScheduleA/OtherSupportSumAmt00
IRS990ScheduleA/SupportedOrganizationsCnt01
IRS990ScheduleA/SupportedOrganizationsTotalCnt01
IRS990ScheduleA/SupportedOrgInformationGrp/EIN0232659520
IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd01
IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd010
IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt00
IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt0745447
IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt0INSTITUTE OF PHYSICS
IRS990ScheduleA/SupportingOrganization509a3Ind0X
IRS990ScheduleA/SupportingOrgType1Ind0X
IRS990ScheduleA/SupportSumAmt0745447
IRS990/ScheduleBRequiredInd00
IRS990ScheduleD/EquipmentGrp/BookValueAmt016275
IRS990ScheduleD/EquipmentGrp/DepreciationAmt032793
IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt049068
IRS990ScheduleD/ExpensesNotReportedAmt00
IRS990ScheduleD/ExpensesNotRptFinclStmtAmt00
IRS990ScheduleD/ExpensesSubtotalAmt05360024
IRS990ScheduleD/FootnoteTextInd0X
IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt01174133
IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt11460
IRS990ScheduleD/OtherAssetsOrgGrp/Desc0DUE TO/FROM INTERCOMPANY
IRS990ScheduleD/OtherAssetsOrgGrp/Desc1DEPOSITS
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt0323333
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc0OPERATING LEASE LIABILITY
IRS990ScheduleD/OtherRevenueAmt021109
IRS990ScheduleD/RevenueNotReportedAmt021109
IRS990ScheduleD/RevenueNotReportedFinclStmtAmt00
IRS990ScheduleD/RevenueSubtotalAmt05308729
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt0MANAGEMENT OF THE ORGANIZATION CONSIDERS THE LIKELIHOOD OF CHANGES BY TAXING AUTHORITIES IN ITS FILED INCOME TAX RETURNS AND RECOGNIZES A LIABILITY FOR OR DISCLOSES POTENTIAL SIGNIFICANT CHANGES THAT MANAGEMENT BELIEVES ARE MORE LIKELY THAN NOT TO OCCUR UPON EXAMINATION BY TAX AUTHORITIES, INCLUDING CHANGES TO IOPP'S STATUS AS A NOT-FOR-PROFIT ENTITY. MANAGEMENT BELIEVES IOPP MET THE REQUIREMENTS TO MAINTAIN ITS TAX-EXEMPT STATUS AND HAS NOT IDENTIFIED ANY UNCERTAIN TAX POSITIONS SUBJECT TO THE UNRELATED BUSINESS INCOME TAX OR ANY UNCERTAIN TAX POSITIONS IN THEIR FILED INCOME TAX RETURNS THAT REQUIRE RECOGNITION OR DISCLOSURE IN THE ACCOMPANYING CONSOLIDATED FINANCIAL STATEMENTS.
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt1INCOME FROM SUBSIDIARY 21,109.
IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc0PART X, LINE 2:
IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc1PART XI, LINE 2D - OTHER ADJUSTMENTS:
IRS990ScheduleD/TotalBookValueLandBuildingsAmt016275
IRS990ScheduleD/TotalBookValueOtherAssetsAmt01175593
IRS990ScheduleD/TotalExpensesPerForm990Amt05360024
IRS990ScheduleD/TotalLiabilityAmt0323333
IRS990ScheduleD/TotalRevenuePerForm990Amt05308729
IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt05329838
IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt05360024
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt02
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt14
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt00
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt10
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt0363253
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt1745447
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt0NORTH AMERICA - CANADA AND MEXICO, BUT NOT THE UNITED STATES
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt1EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt0PROMOTION OF PHYSICS AND EDUCATION IN THE REGION.
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt1EDUCATIONAL CONTRIBUTION
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt0PROGRAM SERVICES
IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt1PROGRAM SERVICES
IRS990ScheduleF/BoycottCountriesInd00
IRS990ScheduleF/ContinuationSpentAmt00
IRS990ScheduleF/ContinuationTotalEmployeeCnt00
IRS990ScheduleF/ContinuationTotalOfficeCnt00
IRS990ScheduleF/ForeignCorpOwnershipInd00
IRS990ScheduleF/ForeignPartnershipInd00
IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt0745447
IRS990ScheduleF/GrantsToOrgOutsideUSGrp/MannerOfCashDisbursementTxt0WIRE TRANSFER
IRS990ScheduleF/GrantsToOrgOutsideUSGrp/NonCashAssistanceAmt00
IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt0PROMOTION OF PHYSICS AND EDUCATION IN THE REGION.
IRS990ScheduleF/GrantsToOrgOutsideUSGrp/RegionTxt0EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM
IRS990ScheduleF/GrantsToOrgOutsideUSGrp/ValuationMethodUsedDesc0FMV
IRS990ScheduleF/InterestInForeignTrustInd00
IRS990ScheduleF/PassiveForeignInvestmestCoInd00
IRS990ScheduleF/SubtotalEmployeesCnt06
IRS990ScheduleF/SubtotalOfficesCnt00
IRS990ScheduleF/SubtotalSpentAmt01108700
IRS990ScheduleF/Total501c3OrgCnt01
IRS990ScheduleF/TotalEmployeeCnt06
IRS990ScheduleF/TotalOfficeCnt00
IRS990ScheduleF/TotalOtherOrgCnt00
IRS990ScheduleF/TotalSpentAmt01108700
IRS990ScheduleF/TransferToForeignCorpInd00
IRS990ScheduleJ/AnyNonFixedPaymentsInd00
IRS990ScheduleJ/BoardOrCommitteeApprovalInd0X
IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd00
IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd00
IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd00
IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd00
IRS990ScheduleJ/EquityBasedCompArrngmInd00
IRS990ScheduleJ/Form990OfOtherOrganizationsInd0X

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