As specified in §562.101(f) of the Act (relating to Supervision of Pharmacy), a Class E pharmacy shall be under the continuous on-site supervision of a pharmacist and shall designate one pharmacist licensed to practice pharmacy by the regulatory or licensing agency of the state in which the Class E pharmacy is located and effective September 1, 2016, is licensed as a pharmacist in Texas to serve as the pharmacist-in-charge of the Class E pharmacy license.