Announcement.pngUDC 04/ST, if not maintained to match Publication 1220, may cause IRSTAX.txt file with combined Federal and State Electronic Filing to be rejected.


See Correct Participating States for Combined Federal and State Electronic Filing To Update UDC 04/ST Correctly (Doc ID 2096393.1) to manually update UDC table 04/ST before you file with combined Federal and State Electronic Filing to the IRS.