Application.
S3. Application. This standard applies to:
(a) New pneumatic tires for use on motor vehicles with a GVWR of more than 4,536 kilograms (10,000 pounds) manufactured after 1948;
(b) New pneumatic light truck tires with a tread depth of
18/32 inch or greater, for use on motor vehicles with a GVWR of 4,536 kilograms (10,000 pounds) or less manufactured after 1948;
(c) Tires for use on special-use trailers (ST, FI and 8–12 rim or lower diameter code); and
(d) Tires for use on motorcycles manufactured after 1948.