1. (1) Disclosure of cost of services. The psychologist shall not mislead or withhold from the client, a prospective client, or third party payor, information about the cost of his/her professional services. A psychologist may participate in bartering only if:

   1. (a) It is not clinically contraindicated; and
   2. (b) The bartering relationship is not exploitive.
2. (2) Reasonableness of fee. The psychologist shall not exploit the client or responsible payor by charging a fee that is excessive for the services performed or by entering into an exploitive bartering arrangement in lieu of a fee.

[Statutory Authority: RCW 18.83.050(5) and chapter 18.83 RCW. WSR 93-07-036 (Order 337B), § 246-924-364, filed 3/10/93, effective 4/10/93.]