Section 190.812 - Determination of tax final, when - timely protest permitted1. Each ambulance service reimbursement allowance tax determination shall be final after receipt of written notice from the department of social services, unless the ambulance service files a protest with the director of the department of social services setting forth the grounds on which the protest is based within thirty days from the date of receipt of written notice from the department of social services to the ambulance service.2. If a timely protest is filed, the director of the department of social services shall reconsider the determination and, if the ambulance service has so requested, the director or the director's designee shall grant the ambulance service a hearing to be held within forty-five days after the protest is filed, unless extended by agreement between the ambulance service and the director. The director shall issue a final decision within forty-five days of the completion of the hearing. After reconsideration of the reimbursement allowance determination and a final decision by the director of the department of social services, an ambulance service's appeal of the director's final decision shall be to the administrative hearing commission in accordance with section 208.156 and section 621.055.