Any bank or trust company maintaining one or more common trust funds shall have the exclusive management and control of each common trust fund administered by it and the sole right at any time to sell, convert, exchange, transfer, or otherwise change or dispose of the assets comprising same. Notwithstanding any other provision of law, such bank or trust company may deposit investments of a common trust fund, which investments are securities, with a clearing corporation or with a federal reserve bank pursuant to part 5 of article 1 of title 15, C.R.S., for the account of the bank or trust company and such investments shall be deemed for the purposes of this article to be in the custody of such bank or trust company.