45.zip

: Must end in .ZIP , .RPT, or .TXT and follow Windows naming conventions (no spaces).

: A properly composed file must contain records in a specific sequence, typically sorted by the Employer Identification Number (EIN) in ascending order. 45.zip

: No punctuation should be used in the address block, except for the hyphen used in a ZIP+4 code (e.g., 12345-6789). : Must end in