{"data":{"id":"us/23-cfr-appendix-a-to-subpart-b-of-part-637","jurisdiction":"us","citation":"23 CFR Appendix A to Subpart B of Part 637","heading":"Appendix A to Subpart B of Part 637—Guide Letter of Certification by State Engineer","body":"Date\nProject No.\nThis is to certify that:\nThe results of the tests used in the acceptance program indicate that the materials incorporated in the construction work, and the construction operations controlled by sampling and testing, were in conformity with the approved plans and specifications. (The following sentence should be added if the IA testing frequencies are based on project quantities. All independent assurance samples and tests are within tolerance limits of the samples and tests that are used in the acceptance program.)\nExceptions to the plans and specifications are explained on the back hereof (or on attached sheet).\nDirector of STD Laboratory or other appropriate STD Official.","path":["Title 23—Highways","CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS","PART 637—CONSTRUCTION INSPECTION AND APPROVAL","Subpart B—Quality Assurance Procedures for Construction"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-23.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:50Z","sha256":"03d3b07a8d52acbf45d344f5fed1c27bd73ac764ac57b9d8d0d07b281f378a5d","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-637.209","next":"us/23-cfr-645.101"},"notice":"GroundRules: Original legal text. Not legal advice."}