Final answer:
Rules should be kept in a visible and easily accessible location in the salon, such as a notice board or the reception desk.
Step-by-step explanation:
In a salon, rules should be kept in a visible and easily accessible location such as a notice board or a laminated sheet at the reception desk. This ensures that both employees and clients can easily refer to them. The rules should cover important aspects such as safety protocols, hygiene practices, and professional conduct.