Maryland Statutes
Part II - Registration and Regulation of Pharmacy Benefits Managers
Section 15-1608 - Books and Records

A pharmacy benefits manager shall maintain adequate books and records about each purchaser for which the pharmacy benefits manager provides pharmacy benefits management services:
        (1)    in accordance with prudent standards of record keeping;
        (2)    for the duration of the agreement between the pharmacy benefits manager and the purchaser; and
        (3)    for 3 years after the pharmacy benefits manager ceases to provide pharmacy benefits management services for the purchaser.