SECTION 1. PURPOSE

Internal Revenue Bulletin 1999-49 · 2026-10-03 edition · updated 2026-10-04 · United States

SECTION 2. NATURE OF CHANGES SECTION 3. WHERE TO FILE AND HOW TO CONTACT THE IRS, MARTINSBURG COMPUTING CENTER SECTION 4. FILING REQUIREMENTS SECTION 5. FORM 4419, APPLICATION FOR FILING INFORMATION RETURNS MAGNETICALLY/ELECTRONICALLY SECTION 6. FILING DUE DATES SECTION 7. FILING FORMS W-4 MAGNETICALLY/ELECTRONICALLY SECTION 8. REPLACEMENT FILES SECTION 9. EFFECT ON PAPER DOCUMENTS SECTION 10. DEFINITION OF TERMS

PART B. MAGNETIC MEDIA/ELECTRONIC SPECIFICATIONS

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▸Contents — Internal Revenue Bulletin 1999-49

Internal Revenue Bulletin 1999-49

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