CFR > Title 40 > Chapter I > Subchapter U > Part 1033 > Subpart E CFR > Title 40 > Chapter I > Subchapter U > Part 1033 > Subpart E – In-Use Testing Current as of: 2024 | Check for updates | Other versions § 1033.401 Applicability § 1033.405 General provisions § 1033.410 In-use test procedure § 1033.415 General testing requirements § 1033.420 Maintenance, procurement and testing of in-use locomotives § 1033.425 In-use test program reporting requirements