Section 1. Purpose

Internal Revenue Bulletin 2001-33 · 2026-10-03 edition · updated 2026-10-04 · United States

Section 2. Nature of Changes - Current Year (Tax Year 2001 ) Section 3. Where to File and How to Contact the IRS, Martinsburg Computing Center Section 4. Filing Requirements Section 5. Form 8508, Request for Waiver From Filing Information Returns on Magnetic Media Section 6. Vendor List Section 7. Form 4419, Application for Filing Information Returns Magnetically/Electronically Section 8. Test Files Section 9. Filing of Information Returns Magnetically and Retention Requirements Section 10. Due Dates Section 11. Extensions of Time Section 12. Processing of Information Returns Magnetically at IRS/MCC Section 13. Validation of Information Returns at IRS Service Center Section 14. Voided and Corrected Returns Section 15. Taxpayer Identification Number (TIN) Section 16. Effect on Paper Returns and Statements to Recipients Section 17. Definition of Terms Section 18. State Abbreviations

Part B. Magnetic Media Specifications

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▸Contents — Internal Revenue Bulletin 2001-33

Internal Revenue Bulletin 2001-33

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