33. Capital which a relevant person possesses in the United Kingdom shall be determined—
(a)except in a case to which sub-paragraph (b) applies, at its current market or surrender value less—
(i)where there would be expenses attributable to sale, 10 per cent., and
(ii)the amount of any incumbrance secured on it;
(b)in the case of a National Savings Certificate—
(i)if purchased from an issue the sale of which ceased before 1st July last preceding the date of application, at the price which it would have realised on that 1st July had it been purchased on the last day of that issue;
(ii)in any other case, at its purchase price.