Requests for opinions from either the attorney general, a county attorney, a city or town attorney, the senate ethics committee or the house of representatives ethics committee concerning violations of this article shall be confidential, but the final opinions shall be a matter of public record. The county attorneys shall file opinions with the county recorder, the city or town attorneys shall file opinions with the city or town clerk, the senate ethics committee shall file opinions with the senate secretary and the house of representatives ethics committee shall file opinions with the chief clerk of the house of representatives.