1. Short title This Act may be cited as the Best to Use Safety Belts Act of 2017 or the BUS Act of 2017 . 2. Seat belt requirement for school buses (a) Requirement Section 30125 of title 49, United States Code, is amended by adding at the end the following: (d) Seat belts required A person may not manufacture for sale, sell, offer for sale, introduce or deliver for introduction in interstate commerce, or import into the United States a schoolbus that is not equipped with a seat belt that includes both lap and shoulder belts for each intended passenger. A violation of this subsection shall be treated as a violation of a motor vehicle safety standard prescribed under section 30111 of this subchapter. . (b) Effective date The amendment made by subsection (a) shall take effect 90 days after the date of enactment of this Act. 3. School bus safety upgrades grant program (a) Establishment Not later than 90 days after the date of enactment of this Act, the Secretary of Transportation shall establish a program to provide school buses with seat belts and other safety features. (b) Grant authority and eligible recipients In carrying out the program established under subsection (a), the Secretary may make a grant, on a competitive basis, to a State educational agency and a local educational agency (as such terms are defined in section 8101 of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 7801 )). (c) Grant uses A recipient of a grant made under subsection (b) may use grant funds only to— (1) retrofit a school bus with seat belts