Capital allowances first year tax credit section (CT600)

This section is used claim a first year tax credit for Capital Allowances.

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. Under Deductions & reliefs, select Capital allowances first year tax credit.

    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.

  2. Enter the Tax credit claimed.
  3. Select Save changes.