(a) A licensee shall not intentionally or knowingly offer to pay or agree to accept any remuneration directly or indirectly, overtly or covertly, in cash or in kind, to or from any person, firm, association of persons, partnership, corporation, or entity for securing or soliciting clients or patronage for or from any health care professional. In accordance with the provisions of the Act, §505.451, a licensee is subject to disciplinary action if the licensee directly or indirectly offers to pay or agrees to accept remuneration to or from any person for securing or soliciting a client or patronage. Payment of credentialing or other fees to insurance companies or other third party payers to be part of an approved provider list shall not be considered as a violation of this chapter.(b) A licensee employed or under contract with a chemical dependency facility or a mental health facility, shall comply with the requirements in the Texas Health and Safety Code, §164.006, relating to soliciting and contracting with certain referral sources. (c) A licensee shall not knowingly or flagrantly overcharge a client, and shall bill clients and/or third parties for only those services that the licensee actually renders.(d) Billing documents shall accurately reflect any collateral service the licensee uses to help serve the client.(e) A licensee may not submit to a client and/or a third party payer a bill for services that the licensee knows were not provided, with the exception of a missed appointment, or knows were improper, unreasonable or unnecessary.