[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR657.1] [Page 251] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 657_CERTIFICATION OF SIZE AND WEIGHT ENFORCEMENT--Table of Contents Sec. 657.1 Purpose. Sec. 657.1 Purpose. 657.3 Definition. 657.5 Policy. 657.7 Objective. 657.9 Formulation of a plan for enforcement. 657.11 Evaluation of operations. 657.13 Certification requirement. 657.15 Certification content. 657.17 Certification submittal. 657.19 Effect of failure to certify or to enforce State laws adequately. 657.21 Procedure for reduction of funds. Appendix to Part 657--Guidelines To Be Used in Developing Enforcement Plans and Certification Evaluation Authority: Sec. 123, Pub. L. 95-599, 92 Stat. 2689; 23 U.S.C. 127, 141, and 315; 49 U.S.C. 31111, 31113, and 31114; sec. 1023, Pub. L. 102- 240, 105 Stat. 1914; and 49 CFR 1.48(b)(19), (b)(23), (c)(1), and (c)(19). Source: 45 FR 52368, Aug. 7, 1980, as amended at 62 FR 62261, Nov. 21, 1997, unless otherwise noted. Note: The recordkeeping requirements contained in this part have been approved by the Office of Management and Budget under control number 2125-0034. To prescribe requirements for administering a program of vehicle size and weight enforcement on Federal-aid (FA) highways, including the required annual certification by the State.