[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR669.21] [Page 334] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 669--ENFORCEMENT OF HEAVY VEHICLE USE TAX--Table of Contents Sec. 669.21 Procedure for evaluating state compliance. The FHWA shall periodically review the state's procedures for complying with 23 U.S.C. 141(d), including an inspection of supporting documentation and records. The state shall retain a copy of the receipted IRS Schedule 1 (Form 2290), or an acceptable substitute prescribed by 26 CFR part 41, Sec. 41.6001-2, for a period of 1 year for purposes of evaluating state compliance with 23 U.S.C. 141(d) by the FHWA. In lieu of retention of Schedule 1, states may make an appropriate entry in an automated file or on registration documents retained by the state or retain a microfilm or microfiche copy of Schedule 1 or of the automated file as evidence that proof of payment has been received before vehicles subject to the Federal heavy vehicle use tax are registered. [[Page 335]]