SCHEDULE O (Form 990) (Rev. January 2025) Department of the Treasury Internal Revenue Service
Supplemental Information to Form 990 or 990-EZ
Complete to provide information for responses to specific questions on
Form 990 or 990-EZ or to provide any additional information.
Attach to Form 990 or 990-EZ.
Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
Open to Public Inspection
Name of the organization
INTERNATIONAL ASSOCIATION OF SHEET METAL AIR RAIL & TRANSPORTATION
Employer identification number
47-6032562
Return Reference
Explanation
Part I, Line 8
Dues collected in error
Part I, Line 10
Donation for hall use, memorials and day at the races
For Paperwork Reduction Act Notice, see the Instructions for Form 990 or 990-EZ.