A credit union may not contract for any of the services described in this section to be performed for the credit union unless both the credit union and the person performing the services agree to be subject to regulation and examination by the Director of the Department of Consumer and Business Services to the same extent as if the services were performed by the credit union. This section applies to the following services:
(1) Check and deposit sorting and posting.
(2) Computation and posting of interest and other credits and charges.
(3) Any other bookkeeping, accounting or similar functions performed for a credit union.