Inspect for proper operation and anchorage.
Model years 1969 and newer - one seat belt is required for each seating position.
Model years 1967 and 1968 - two front seat belts are required (driver position included), and one seat belt is required for each seating position elsewhere in the vehicle.
Model years 1965 and 1966 - two front seat belts are required (driver position included).
hmmm, doesnt say.