base currency 4512(1) (in COLL and CIS) the currency specified: (a) in the instrument of incorporation of an ICVC as the currency in which its accounts are to be prepared; or (b) in the trust deed of an AUT as the base currency of the AUT. (2) (in ELM ) (in relation to an ELMI) the currency in which that ELMI's books of account are drawn up.