(a) Notwithstanding other provisions of law to the contrary, a West Virginia law-enforcement agency may not employ or offer to employ a pre-certified law-enforcement officer until it makes written findings documenting that the person meets the minimum standards contained in this subsection, or adopts a previous employing West Virginia law-enforcement agencys written findings, which shall be made available upon request to the subcommittee: Provided, That the hiring West Virginia law-enforcement agency may set higher minimum standards, or the subcommittee may promulgate legislative rules which establish higher minimum standards or interpret the minimum standards contained this section, as the agency or the subcommittee considers necessary for the employment of law-enforcement officers: Provided, however, That nothing in this section shall be construed to limit, abrogate, or modify any existing rule promulgated by the subcommittee. The minimum standards apply only to the hiring of a pre-certified law-enforcement officer and consist of the following:
(1) The person is 18 years of age or older;