Model 591: New version of the technical specifications document and model presentation environment with file import available.

Access to the presentation environment for Form 591 has been published, which includes the modifications to the Form, in force as of January 1, 2025.
Details of the changes are included in the new version of the document "Designs to which the files generated for the electronic submission of form 591 must conform"
The new version includes the specifications corresponding to the fields that must be completed, and instructions on how to submit them.