You can enter your HMRC credentials to your software, which then appear automatically during submissions.

If you have more than one company with different credentials, you can change these when you make your P11D submissions.

1. In the menu bar atthe top of your software, click Internet Submissions.
2. Click e-Submission Settings.
3. Enter your HMRC User ID and Password.
    NOTE: If you aren't certain of these details, contact HMRC for support.
4. Enter your details to the Contact Details section.

You can now submit forms P11D and P11D(b) online, once you process your benefits.