The County personnel board must consider all cases for the retirement and relief of members of the County Police rendered necessary or expedient under the provisions of this Article, and all applications for relief of their surviving spouses, or domestic partners, and children under eighteen (18) years of age or unmarried, mentally or physically incapacitated or disabled child or children. In every case of disability retirement, competent medical authority selected by the County personnel board shall certify, in writing, to the retirement hearing board the physical or mental condition of the member for whom retirement and relief are sought. In every case of service retirement, the medical reports on members must be submitted directly to the personnel board. The applicant or member is entitled to be represented by counsel, have witnesses testify in his or her behalf, and present evidence relevant to the police officer's physical or mental condition and ability or inability to perform the officer's duties and give this evidence under oath as required by the retirement hearing board or the personnel board. The personnel board must give written notice to any member of the police under consideration for retirement and relief to appear before either or both the County personnel board and the retirement hearing board, and the proceedings of these boards must be in writing and show the member's date of appointment, age, and record in the service, and any other information relevant to the member's retirement and relief. Sections 33-48 and 33-49 apply to retirement applications under this Section. (Mont. Co. Code 1965, § 18-18; 1939, ch. 730, § 19; 1943, ch. 449, § 796; 1966 L.M.C., ch. 12, § 7; 1999 L.M.C., ch.30, § 2.)