Section 08.72.270 - Practice not at place of business(a) A licensed optometrist who temporarily practices optometry away from the optometrist's regular place of business shall display a license and deliver to each patient or person fitted or supplied with glasses or contact lenses a receipt showing the optometrist's permanent place of business or post office address and the amount charged.(b) This section may not be construed as permitting peddling or canvassing by licensed optometrists.