Losses and reliefs (including loan relationship deficits) section (CT600)

This section is used to enter details of non-trading losses and reliefs.

Refer to the HMRC Corporation Tax form for Company Tax (CT600) guidance if needed (opens in a new tab).

  1. Open the required tax return, then select the Data input tab.

  2. If the required section is listed, select it and skip the next step. If not, select Add a new section.

  1. On Choose a section to add, under Deductions & reliefs, select Losses and reliefs (incl. loan relationship deficits).

    If the section is crossed through, it has already been added to the tax return. To adjust it the existing values, close the window and select the section on the Data Input tab.

  1. Complete the section as follows, then select Save changes.

Non-trading loan relationship deficits

Losses on non-trading intangible fixed assets

Losses brought forward against certain investment income

Use this grid to enter losses brought forward and used against certain investment income.

For each line, enter a brief Description of the brought forward loss and the Amount of the loss brought forward and used. A new line is automatically added.

Non trade capital allowances

This grid allows summary entry of non-trading capital allowances to be claimed.

For each line, enter a brief Description of the capital allowance and the Amount of the capital allowance claimed.