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Publication 1586 Reasonable Cause Regulations and Requirements for Missing and Incorrect Name/TINs (including instructions for reading CD/DVDs and Magnetic Media)PDF version of this Publication
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Publication 1281 Backup Withholding for Missing and Incorrect Name/TINs (including instructions for reading tape cartridges and CD/DVD formats)PDF version of this PublicationTopic Screen for this Publication
Publication 4393 (EN-SP) Become an IRS ITIN Acceptance Agent (English/Spanish version)PDF version of this PublicationTopic Screen for this Publication
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