OT26110 - Capital allowances: ring fence expenditure supplement: relevant percentage for calculating the supplement
CTA10\S310
»Ê¹ÚÌåÓýapp RFES is calculated as a percentage of the qualifying E & A (pre-commencement) expenditure or (post-commencement) losses at the relevant time. At introduction the rate of RFES (the ‘relevant percentageâ€�) was 6% per annum. »Ê¹ÚÌåÓýapp rate increased to 10 percent for accounting periods beginning on or after 1 January 2012. »Ê¹ÚÌåÓýapp amount of supplement is proportionally reduced if the accounting period to which the claim relates is less than 12 months.