(a) A registrant shall not use advertising that is false, misleading, or deceptive, or advertising that is not readily subject to verification, including advertising that:(1) makes a material misrepresentation of fact or omits a fact necessary to make the statement as a whole not materially misleading;(2) makes a customer or client likely to create an unjustified expectation about the results of a service or procedure;(3) compares a professional's service with another professional's services unless the comparison can be factually substantiated;(4) causes confusion or misunderstanding as to the credentials, education, or registration of a professional; or(5) advertises or represents in the use of a professional name, title, or professional identification that is expressly or commonly reserved to or used by another profession or professional.(b) A registrant shall notify each client of the name, mailing address, website, and telephone number of the department for the purpose of directing complaints to the department by providing notification:(1) on each written contract for services of a registrant;(2) on a sign prominently displayed in the primary place of business of each registrant; or(3) in a bill for services provided by a registrant to a client or third party.