Section 1179BD | Preliminary expenditure
From legislation.gov.uk
(1)This section applies if, before the qualifying company began to carry on the separate production trade, it incurred expenditure on the development of the qualifying production.
(2)The expenditure may be treated as expenditure of the separate production trade incurred immediately after the company began to carry on the trade.
(3)If expenditure so treated has previously been taken into account for other tax purposes, any relevant company tax return must be amended accordingly.