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      <SupplementalInformationDetail>
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        <ExplanationTxt>LOCAL 580 VACATION FUND'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
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      <IdRelatedTaxExemptOrgGrp>
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          <CityNm>NEW YORK</CityNm>
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          <StateAbbreviationCd>NY</StateAbbreviationCd>
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      <IdRelatedTaxExemptOrgGrp>
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        <ExplanationTxt>CERTAIN TRUSTEES LISTED ON FORM 990, PART VII, SECTION A, SERVE AS VOLUNTEERS AND DO NOT RECEIVE COMPENSATION FROM THIS ORGANIZATION OR ANY RELATED ORGANIZATION IN THEIR CAPACITY AS TRUSTEES OF THIS ORGANIZATION. THE FILING ORGANIZATION IS NOT REQUIRED TO LIST THE COMPENSATION FOR THESE TRUSTEES BECAUSE THE RELATED ORGANIZATION (I) WAS "FOR PROFIT", (II) WAS NOT OWNED OR CONTROLLED DIRECTLY OR INDIRECTLY BY THE FILING ORGANIZATION OR ONE OR MORE RELATED TAX EXEMPT ORGANIZATIONS, AND (III) DID NOT PROVIDE MANAGEMENT SERVICES FOR A FEE TO THE FILING ORGANIZATIONS. CERTAIN TRUSTEES LISTED ON THE FORM 990, PART VII, SECTION A, DO NOT RECEIVE COMPENSATION FROM THIS ORGANIZATION, BUT DO RECEIVE COMPENSATION FROM IRONWORKERS LOCAL 580 (THE UNION) IN THEIR CAPACITY AS EMPLOYEES/OFFICERS OF THE UNION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>2023 FORM 990, SCHEDULE R ATTACHMENT, RELATED ORGANIZATIONS</FormAndLineReferenceDesc>
        <ExplanationTxt>PART IV, IDENTIFICATION OF RELATED ORGANIZATIONS TAXABLE AS A CORPORATION OR TRUST A &amp; A EQUIPMENT A &amp; V STEEL LLC ABC &amp; NY CONSTRUCTION INC. ABC CONTRUCTION CONTRACTING INC. ABLE ROLLING STEEL DOOR INC. ACME STAGE&amp;SPORTS SPECIALTIES ACTION STORE FRONTS INC. ADAM'S EUROPEAN CONTRACTING AIRFLEX CORP AJEF INSTRUCTOR BENEFITS ALC STEEL CORP. ALL ACTION ARCHITECTURAL METAL ALL AROUND CONTRACTING ALL METRO GLASS INC ALLEN ARCHITECTURAL METALS AMERICAN STRUCTURAL WORKS /JV ANSU CONSTRUCTION ANVIL IRONWORKS INC ARCH GLASS &amp; MTLS/CLIFTON PRK INST ARMSTRONG ROOFING CORP ASHNU INTERNATIONAL INC ATLAS FENCE ATS CAULKING SUPPLY INC AWL INDUSTRIES, INC. B &amp; R CONSTRUCTION SERVICES CORP. BAMCO INC. BARTKOWSKI LIFE SAFETY BASEC GLASS CORP CERTIFIED BEACH ERECTORS INC BENSON INDUSTRIES LLC BERLIN STEEL CONSTRUCTION CO. BILMAR CONSULTING INC BUILDING SUPPLY &amp; INSTALLATION SERV BUNTING GRAPHS, INC. BURGESS STEEL PRDCTS CORP C&amp;S FENCING,INC. CAPITOL AWNING CO. INC. CENTRAL INDRUSTRIES INC. CHAMPION MTL &amp; GLS CHERRY HILL GLASS CO INC CHRISTOPHER GLASS &amp; ALUMINUM CITY GLASS CO CITY STORE GATES MFG. CORP CIVIL CONTRACTING CORP. COASTAL CONTRACTING CORP. COMMODORE CONSTRUCTION CO COMMODORE MAINTENANCE CORP. COMPETITION ARCHITECTURAL MET. COMPOSITE TECHNOLOGY &amp; INFRASTRUCTURE CONSOLIDATED STEEL &amp; ALUM FENCE CO CONSTAR INC CONSTRUCTION RESOURCES COORDINATED METALS INC CORE ERECT LLC/CORE INSTAL CRYSTAL STEEL FABRICATORS INC CVM CONSTRUCTION CORP. DAVID SHULDINER INC. DELRIC CONSTRUCTION CO. DKM CONSTRUCTION DOBCO INC DOOR AUTOMATION CORP. DUBLIN IRONWORKS INC. E &amp; Y GENERAL CONSTRUCTION CO. INC. EAGLE ERECTORS GROUP LTD EAGLE FENCE EASTERN EXCAVATIONS INC EMPIRE ARCH METAL CORP EMPIRE CITY IRON WORKS EMPL. LOCAL 153 EDUCATION FUND EMPL. LOCAL 153 FUND OFFICE EMPL. LOCAL 153 FUND OFFICE PILAR ENERGY FENCING ERIN ERCTRS &amp; CONSTRCTN EVS MANAGEMENT INC F.M.B. FACADE SOLUTION NEW YORK LLC. FAITH CONSTRUCTION INC. FALCON BUILDERS INC. FAXA INC FOCUSED FRAMING LLC. FORCE INSTALLATIONS, LLC FREEDOM IRONWORKS INC GABRIEL STEEL ERECTORS, INC. GAMMA USA INC. GARDEN STATE DOCK AND DOOR GC IRONWORKS GENERAL FOUNDRIES INC GENETECH BUILDING SYSTEMS INC GIANT INDUSTRIAL INC. GIN SKYE CONSTRUCTION INC GLENRIDGE FABRICATORS GREG BEECHE LOGISTICS GUYTEC STEEL INC H &amp; L CONTRACTING LLC HAILEY INSULATION CORP. HALLEN WELDING SERVICE HARMON CONTRACTING HIGH TOUCH LLC HINSS JV HOMERIC CONTRACTING CO. HUDSON VALLEY GLASS METAL I.C. FIRESTOP LLC IACONO ARCHITECTURAL METALS ICON EXTERIOR BUILDING SOLUTIO IDA EXTERIOR SYSTEMS LLC INSULATION CONTRACTORS INC INTEGRATED STRUCTURES CORP. IRONCLAD CONCEPTS J &amp; N CONSTRUCTION GROUP CORP J.C. STEEL ERECTORS CORP. JECI CORPORATION JEM ARCHITECTURALS JNP SERVICES JONATHAN METAL &amp; GLASS JORDAN CONSTRUCTION PROD CORP JS GENERAL CONTRACTING LLC K&amp;M ARCHITECTURAL WINDOW PROD K&amp;W CONSULTING INC. KC FABRICATIONS INC. KENCO WIRE &amp; IRON PRODUCTS KG CONSTRUCTION SERVICES INC KIEWIT CONSTRUCTORS INC. KING HOIST &amp; SCAFFOLDING INC. KING INSTALLATION CORP KINGS COUNTY WATERPROOFING INC KKG CONSTRUCTION KNJ FABRICATORS LLC LABOR MNGMNT FUND I.T. CONSULTANT LAFAYETTE GLASS CO. LITEHOUSE BUILDERS, INC. LO SARDO GENERAL CONTRACTORS LOADING DOCK INC. LOCAL 580 SHOP OFFICE STAFF LOCAL UNION 580 LYNBROOK GLASS WORKS CORP. MALCOLM PATRICK CORP MAVEN CONSTRUCTION CORP. MCS STRUCTURES MELTO METAL PROD. MENT BROTHERS IRON WORKS METAL SALES CO. INC. METRALITE INDUSTRIES INC METRO STEEL ERECTORS METROPOLITAN DRYWALL CO INC METROPOLITAN WALTERS LLC METRO-TECH ERECTORS CORP MID ISLAND ERECTORS LTD. MIDLAND TECH LLC MIDTOWN CONTRACTING LLC. MINESTONE CONSTRUCTION LLC MINHAS GENERAL CONTRACTOR COMPANY LLC. MISTRAL ARCH. METAL &amp; GLASS MOHEGAN ASSOCIATES INC MONUMENTAL INC. MON-X USA,INC. MST GENERAL CONTRACTING NATHAN ENTERPRISES LLC NAVILLUS CONTRACTING NEHAL CONTRACTING INC NORTHEAST STAGE NORTHEAST STRUCTURAL STEEL INC NOVA INNOVATIONS INC NPSG GLOBAL LLC. NSP ENTERPRISES INC. NY CAPITAL SERVICES NYC CONSTRUCTORS LLC NYSFAB INC. OIS FACADES LLC ORNAMENTAL ERECTORS INC. OZ STEEL INC P &amp; K CONTRACTING PADILLA CONSTRUCTION SERVICES PARK CONSTRUCTION GROUP LTD PERMASTEELISA NORTH AMERICA CORP. POLE TECH CO INC PONDEROSA FENCE ENTERPRISES POST ROAD IRON WORKS INC. POTTSGROVE GLASS PRECISION WINDOW SYSTEMS PRECISION BUILDERS GROUP LTD. PREET &amp; D CONSTRUCTION INC PRO METAL INSTALL GROUP PYLON CG INC QUALITY INSTALLATIONS R&amp;R ARCHIT ALUM.PRODUCT R.J. INDUSTRIES INC. RAVEN CONSTRUCTION SERVICES CORP. RED IRONWORKS RELATED SERVICES LLC 64341716 RESIDENTIAL FENCES CORP RICKS CONSTRUCTION &amp; IRON RISA MANAGEMENT CORP. ROMA SCAFFOLDING INC. RSG CAULKING SECURITY SYSTEM INSTALLATION SEELE L. P. 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W &amp; W GLASS LLC WDF INC. WESTCHESTER METAL WORKS WESTMORELAND CONSTRUCTION INC. WILLIAMS SPECIALTY SERVICE LLC WINDOW 2000 WORKSPACE II X-TREME CONSTRUCTION CORP. YABOO FENCE CO ZARCO CONTRACTING INC</ExplanationTxt>
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</Return>