49 C.F.R. § 240.209 Procedures for making the determination on knowledge.
Title 49 - Transportation
(a) After the pertinent date specified in paragraph (e), (f), or (g) of §240.201, each railroad, prior to initially certifying or recertifying any person as an engineer for any class of train or locomotive service, shall determine that the person has, in accordance with the requirements of §240.125 of this part, demonstrated sufficient knowledge of the railroad's rules and practices for the safe operation of trains. (b) In order to make the determination required by paragraph (a) a railroad shall have written documentation showing that the person either (i) Exhibited his or her knowledge by achieving a passing grade in testing that complies with this part or (ii) Did not achieve a passing grade in such testing. (c) If a person fails to achieve a passing score under the testing procedures required by this part no railroad shall permit or require that person to operate a locomotive as a locomotive or train service engineer prior to that person's achieving a passing score during a reexamination of his or her knowledge.
Title 49: Transportation
PART 240—QUALIFICATION AND CERTIFICATION OF LOCOMOTIVE ENGINEERS
Subpart C—Implementation of the Certification Process
§ 240.209 Procedures for making the determination on knowledge.