No doctor of optometry shall make any contracts or agreements, whether express or implied, nor engage in any arrangement with a retail dispensing optician whereby the optician or his agent shall:
(1) Pay any professional expenses for the doctor of optometry;
(2) Pay any or all of the professional fees of a doctor of optometry;
(3) Pay any commission, bonus, or rebate for volume of materials or services received from a doctor of optometry;
(4) Receive any commission, bonus or rebate for volume of materials or services furnished to a doctor of optometry;
(5) Pay any commission to the doctor of optometry in return for referral of patients to the optician;
(6) Receive any commission from a doctor of optometry in return for referral of patients to such doctor of optometry.
[Statutory Authority: RCW
18.54.070. WSR 91-06-025 (Order 119B), recodified as § 246-851-350, filed 2/26/91, effective 3/29/91. Statutory Authority: RCW
18.54.070(5). WSR 78-02-030 (Order PL 281), § 308-53-260, filed 1/17/78.]