Each massage parlor shall have one area designated for massage; or, in the event massage is administered to both sexes during the same time, such massage parlor shall have two (2) separate massage areas, one being for male patrons and one being for female patrons. All massages shall be administered in said massage area or areas as the case may be, and no massages shall be administered in private rooms or behind closed doors. The massage area or areas, as the case may be, shall be open to inspection by the director or his designee, and other law enforcement officer of the county during business hours.