The ordinance may condition the issuance of a license to engage in the business of massage upon proof that a massage business meets the reasonable standards set by the ordinance, which may include, but need not be limited to, the following areas:
(a)
Age of massage personnel.
(b)
Education and experience of massage personnel.
(c)
Passage by massage personnel of a practical examination of competence.
(d)
Sanitary conditions of the massage establishment.
(e)
Hours of operation of the massage business.
(f)
Prohibition of the sale or serving of food or beverage or the conducting of nonmassage business on the premises of the massage business. In the event that the business premises in which such massage business is conducted possesses or is qualified to possess a certificate of occupancy issued by such city or county, the prohibition of this subdivision shall apply only to the portion of the premises exclusively devoted to the conduct of the massage business.