(a) Facilities shall retain a pharmacist who devotes the number of hours necessary during a regularly scheduled visit for the purpose of coordinating, supervising and reviewing the pharmaceutical services within the facility. The pharmacist shall submit a written report on the status of the pharmaceutical service and staff performance to the administrator and registered nurse at least semiannually. The report shall include a log or record of time spent in the facility. There shall be a written agreement between the pharmacist and the facility which includes duties, responsibilities and qualifications of the pharmacist and the responsibilities of the facility.

(b) A pharmacist or registered nurse shall review the drug regimen of each client at least monthly and shall document the review in writing. If the drug regimen review is performed by the registered nurse, a pharmacist shall review the drug regimen at least quarterly. The review of the drug regimen of each client shall include all drugs currently ordered, information concerning the client's condition relating to drug therapy, medication administration records, and, where appropriate, physician's progress notes, nurse's notes and laboratory test results. Irregularities in drug dispensing, drug administration, potential adverse drug reactions, allergies, interactions or contraindications, as well as laboratory test results shall be reported to the prescriber.