A filling station, service station, garage or other dispensary subject to ORS 480.332 or 480.341, that makes an owner, operator or employee available for dispensing Class 1 flammable liquids, shall provide equal access to the dispensing services of the dispensary to persons with disabilities. Equal access shall be provided by:
(1) Posting a sign that is clearly readable by an operator of a motor vehicle that notifies persons with disabilities that refueling assistance may be requested by:
(a) Contacting the dispensary owner, operator or employee at the telephone number provided in the sign; and
(b) Signaling to the dispensary owner, operator or employee in any other manner described in the sign;
(2) Providing refueling assistance upon request of a person with a disability; and
(3) Providing refueling assistance without charging an additional service fee.