SCT deals with RDEC in a very complex manner by making the claim in respect of what it treats as the amount net of RDEC given.

The software should allow the gross expenditure attracting RDEC to be identified within the P&L and calculate the RDEC arising accordingly.

The accounts themselves will often include the RDEC (once identified) as an Income amount so the RDEC system operates correctly and if they do not then the income can be entered into the manual Other Adjustment Detail section of the UK Trade List Details Tab