(a) The comptroller shall keep a suitable system in which shall be entered all securities deposited with the comptroller by state depositories and other state agencies. The comptroller shall enter in the system the authorizations to deposit or release the securities.
(b) The comptroller shall keep a securities ledger in which appropriate accounts for each custodial agency are kept. That ledger shall be balanced monthly against control accounts kept in the general ledger and against corresponding accounts kept by the comptroller.