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Part III. Administrative, Procedural, and Miscellaneous

Section 1. General

Internal Revenue Bulletin 1998-21 · 2026-10-03 edition · updated 2026-10-04 · United States

Section 2. Magnetic Tape, IBM 3480/3490, Tape Cartridge, 8mm, 4mm, and QIC (quarter in cartridge), 5 1 ⁄4- and 3 1 ⁄2-inch Diskette, and Electronic Specifications Section 3. Record Layout

Part F. Miscellaneous Information

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▸Contents — Internal Revenue Bulletin 1998-21

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