(a) Upon receipt of such notice of objection (form A-1), the chiropractor may request arbitration by notifying the chairman in accordance with the following:

If the chiropractor wishes to arbitrate the bill, he shall complete and sign the request for arbitration and forward it to the Chiropractic Practice Committee together with a check to the order of the Chairman, Workers' Compensation Board, in the sum of $5 as a minimum expense fee. Notwithstanding any provision in this section to the contrary, upon application of the chiropractor, the chairman may for good cause shown excuse the chiropractor for the delay in filing the request for arbitration, and schedule the disputed bill for arbitration.

(b) Failure of the chiropractor to render a bill to the employer or carrier within 90 days from the last day of the month in which services were rendered shall be deemed to be a waiver of the right to arbitrate the bill. Notwithstanding any provision in this section to the contrary, upon application of the chiropractor, the chairman may for good cause shown excuse the chiropractor for the delay in submitting such bill to the carrier, and schedule the disputed bill for arbitration.