(a) A participating pharmacy that provides a collection receptacle for the safe disposal of prescription drugs may, under limited circumstances as the pharmacy determines necessary, provide at the time the pharmacy dispenses a controlled substance prescription drug to the ultimate user a vendor's mail-back envelope, at no cost to the ultimate user. The mail-back envelope must:
(1) be pre-addressed and return postage paid; and
(2) meet the requirements of 21 C.F.R. Section 1317.70.
(b) A participating pharmacy may provide not more than 250 mail-back envelopes during the duration of the pilot program to encourage use of the pharmacy's collection receptacle.