Senate amendment makes the following changes to 3rd edition. Amends GS 20-101(b), to provide that motor vehicles used in intrastate commerce and with a gross weight rating of more than 26,000 pounds do not have to be marked as specified in subsection (b) if any one of the following is true: (1) the vehicle is subject to the federal motor carrier safety regulations (49 CFR Part 390) or (2) the vehicle type is listed in 49 CFR 390.3(f) (provides exemptions from 49 CFR Part 390 for specified vehicles).