SECTION 5. EFFECTIVE DATE
Internal Revenue Bulletin 2003-5 · 2026-10-03 edition · updated 2026-10-04 · United States
This revenue procedure is effective for all claims for relief filed on or after April 1, 2003. In addition, this revenue procedure applies to any claims for relief filed prior to April 1, 2003, for which no preliminary determination has been issued as of April 1, 2003.
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