Corporate Taxprep 2022.1.0

Transmit Supporting Documents Accompanying a Return or a Form

During the electronic transmission, supporting documents can be attached to income tax returns or forms to facilitate their processing by tax authorities.

To attach supporting documents, proceed in the manner indicated in the topic Attach a file, then select the supporting documents to transmit among the files attached to the return. Supporting documents can also be selected when preparing the return.

Notes:

  • To associate supporting documents with a CO-17 return, the value of the CO-17 EFILE status must be different from "Not Applicable."
  • The password will be required if you try to modify the list of supporting documents of a password-protected client file.