(a) Every passenger car manufactured or assembled after January 1, 1965, shall be equipped with at least two (2) lap-type safety belt assemblies for use in the front seating positions.

(b) Every passenger car manufactured or assembled after January 1, 1968, shall be equipped with a lap-type safety belt assembly for each permanent passenger seating position. This requirement shall not apply to police vehicles.

(c) Every passenger car manufactured or assembled after January 1, 1968, shall be equipped with at least two (2) shoulder harness-type safety belt assemblies for use in the front seating positions.

(d) The secretary of transportation shall except specified types of motor vehicles or seating positions within any motor vehicle from the requirements imposed by subsections (a) to (c) when compliance would be impractical.

(e) No person shall distribute, have for sale, offer for sale or sell any safety belt or shoulder harness for use in motor vehicles unless it meets current minimum standards and specifications approved by the secretary of transportation.