Section 242.101 - Certification program required(a) After the pertinent date specified in § 242.105(d) or (e) , each railroad shall have a certification program approved in accordance with § 242.103 that includes: (1) A designation of the types of service that it determines will be used in compliance with the criteria established in § 242.107 ;(2) A procedure for evaluating prior safety conduct that complies with the criteria established in § 242.109 ;(3) A procedure for evaluating visual and hearing acuity that complies with the criteria established in § 242.117 ;(4) A procedure for training that complies with the criteria established in § 242.119 ;(5) A procedure for knowledge testing that complies with the criteria established in § 242.121 ; and(6) A procedure for monitoring operational performance that complies with the criteria established in § 242.123 .