The following persons shall maintain a record of each acquisition and each disposal of a dangerous drug for two years after the date of the acquisition or disposal:
(1) a pharmacy;
(2) a practitioner;
(3) a person who obtains a dangerous drug for lawful research, teaching, or testing purposes, but not for resale;
(4) a hospital that obtains a dangerous drug for lawful administration by a practitioner; and
(5) a manufacturer or wholesaler licensed by the Department of State Health Services under Chapter 431 (Texas Food, Drug, and Cosmetic Act).