Section 3734 - Contract provisions(a) Motor vehicles to be manufactured in North America.--All government agencies shall procure only motor vehicles which are manufactured in North America. A motor vehicle is manufactured in North America if a substantial majority of the principal components are assembled into the final product in an assembly plant in North America. Contract documents for the procurement of motor vehicles shall contain a provision that the vehicles procured by the government agency shall be manufactured in North America.(b) Exception.--This section shall not apply where the head of the government agency states in writing that it is inconsistent with the public interest or that the cost is unreasonable. 1998, May 15, P.L. 358, No. 57, § 1, effective in 180 days.