SA104 Box 21: How do I populate Box 21 to show the adjusted loss for 2024–25?

SA104 Box 21: How do I populate Box 21 to show the adjusted loss for 2024–25?

Box 21 gets populated automatically based on your entries in Boxes 8 to 19 of the Partnership Pages.

If you have not yet added the Partnership Page, please see the video below for guidance:


  • Click on ADD NEW PAGE and select SA104 Partnership

  1. Click the Partnership EDIT button: