(1) The Washington state patrol shall provide by rule for a uniform impound authorization and inventory form. All law enforcement agencies must use this form for all vehicle impounds after June 30, 2001.

(2) By January 1, 2003, the Washington state patrol shall develop uniform impound procedures, which must include but are not limited to defining an impound and a visual inspection. Local law enforcement agencies shall adopt the procedures by July 1, 2003.