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 Date: 2014-11-20 09:22:01Software Comma-separated values Taxation in the United States Delimiter-separated values Field Comma IRS tax forms Microsoft Excel Withholding tax Computing Punctuation Computer file formats |
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W3 Formats There are four acceptable formats for electronic filing. Federal Filing Format – MMREF and EFW2 Information about the Federal MMREF and EFW2 format is available on the Social Security Administration website