It shall be the duty of the pharmacist in charge of every premise having a pharmacy registration, to ensure that a registered pharmacist is on duty at all times during which the pharmacy is open.

(Authorized by and implementing K.S.A. 65-1630; effective Jan. 1, 1966; amended, E-76-31, Aug. 11, 1975; amended May 1, 1976; amended May 1, 1978; amended May 1, 1983.)