1The division shall consider it an unethical business practice for any establishment to engage in, or knowingly permit anyone on the licensed premises to engage in, any illegal, unfair or deceptive act. Such acts include36i37mposition of a charge separate and apart from, or in addition to, the room rate, that is not disclosed in writing to the guest at the time of check-in; fail67ing68to disclose that additional telephone surcharges are being applied which exceed the user-line charges of the local telephone company; 87or depriving89an individual or party of accommodations at a public lodging establishment after having prepaid reservations for said accommodations. To avoid depriving a guest of a prepaid reservation for accommodations at a public lodging establishment the establishment shall126m127ake every effort to find other comparable accommodations; and136r137efund all monies deposited for such reservation whether deposited with the public lodging establishment, or a travel or booking agent.