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| IRS990/InfoInScheduleOPartXIInd | 0 | X |
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| IRS990/InsuranceGrp/TotalAmt | 0 | 147840 |
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| IRS990/MissionDesc | 0 | TO PROVIDE WELFARE BENEFITS TO UNION IRON WORKERS AND THEIR BENEFICIARIES. |
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| IRS990/OtherRevenueMiscGrp/Desc | 0 | SHARED ADMIN SERVICES |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | SUNDRY |
| IRS990/OtherRevenueMiscGrp/Desc | 2 | EMPLOYER INT./LIQUID. DAMAGES |
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| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE PLAN MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY IF THE ORGANIZATION HAS TAKEN AN UNCERTAIN TAX POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE INTERNAL REVENUE SERVICE. THE PLAN ADMINISTRATOR HAS ANALYZED THE TAX POSITIONS TAKEN BY THE PLAN, AND HAS CONCLUDED THAT AS OF JUNE 30, 2019, THERE ARE NO UNCERTAIN POSITIONS TAKEN OR EXPECTED TO BE TAKEN THAT WOULD REQUIRE RECOGNITION OF A LIABILITY OR DISCLOSURE IN THE FINANCIAL STATEMENTS. THE PLAN IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIOD IN PROGRESS. PLAN MANAGEMENT BELIEVES THAT THE PLAN IS NO LONGER SUBJECT TO INCOME TAX EXAMINATION FOR THE YEARS PRIOR TO JUNE 30, 2016. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | REIMBURSED ADMINISTRATIVE EXPENSES 293,605 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 2 | REIMBURSED ADMINISTRATIVE EXPENSES 293,605 |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE D, PAGE 3, PART X |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | SCHEDULE D, PAGE 4, PART XI, LINE 4B |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | SCHEDULE D, PAGE 4, PART XII, LINE 4B |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | SCOTT GARDNER 650 TRABOLD ROAD ROCHESTER, NY 14624 SCOTT BRYDGES 412 39TH STREET NIAGARA FALLS, NY 14303 KELLY GILLIGAN 7819 STATE ROUTES 5 & 20 BLOOMFIELD, NY 14469 THOMAS P. THOMAS 10 MAIN STREET, SUITE 100 WHITESBORO, NY 13492 H.L. STEPHENSON 8 KING ROAD CHURCHVILLE, NY 14428 TOM DICKEY 5285 UPPER MT. ROAD LOCKPORT, NY 14094 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | FORM 990 IS CIRCULATED TO ALL BOARD OF TRUSTEES VIA E-MAIL. CONFIRMATION OF APPROVAL IS RECEIVED PRIOR TO FILING THE FORM. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE FUND REGULARLY AND CONSISTENTLY MONITORS AND ENFORCES COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY BY REQUESTING THAT AN ANNUAL ACKNOWLEDGEMENT FORM BE SIGNED AND SUBMITTED BY EACH TRUSTEE. IF ANY POTENTIAL CONFLICTS ARE DISCLOSED, THE TRUSTEES WILL DETERMINE WHETHER FURTHER FACTS AND FOLLOW-UP QUESTIONS ARE NECESSARY TO DETERMINE IF A CONFLICT OF INTEREST EXISTS. IN ADDITION, ON AN ANNUAL BASIS, MANAGEMENT REMINDS EACH INDIVIDUAL WHO IS SUBJECT TO THE POLICY OF THE NEED TO AVOID ANY BUSINESS CONFLICTS WITH THE FUND AND TO DIVULGE IMMEDIATELY ANY MATTER WHICH MAY GIVE RISE TO A CONFLICT. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE BOARD OF TRSUTEES REVIEWS AND APPROVES THE COMPENSATION PACKAGE FOR THE ADMINISTRATIVE MANAGER AND SUPPORT STAFF. THE FUND PAYS THE FULL SALARY AND BENEFITS FOR THE ADMINISTRATIVE MANAGER AND SUPPORT STAFF. SUCH COMPENSATION IS ALLOCATED TO AFFILIATED FUNDS UNDER A COST SHARING AGREEMENT. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE ORGANIZATION DOES NOT MAKE ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | REIMBURSED ADMINISTRATIVE EXPENSES -293,605 REIMBURSED ADMINISTRATIVE EXPENSES 293,605 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PAGE 6, PART VI, LINE 9 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PART XI, LINE 9 |
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| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 25 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 26 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 27 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 28 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 29 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 30 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 31 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 32 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 33 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 34 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 35 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 36 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 37 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 38 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 39 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 40 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 41 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 42 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 43 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 44 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 45 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 46 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 47 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 48 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 49 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 50 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 51 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 52 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 53 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 54 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 55 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 56 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 57 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 58 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 59 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 60 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 61 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 62 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 63 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 64 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 65 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 66 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 67 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 68 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 0 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 1 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 2 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 3 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 4 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 5 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 6 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 7 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 8 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 9 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 10 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 11 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 12 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 13 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 14 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 15 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 16 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 17 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 18 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 19 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 20 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 21 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 22 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 23 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 24 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 25 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 26 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 27 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 28 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 29 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 30 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 31 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 32 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 33 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 34 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 35 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 36 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 37 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 38 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 39 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 40 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 41 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 42 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 43 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 44 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 45 | N/A |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingNACd | 46 | N/A |