reg 3C Publication of a list of National Technical Rules
(1) The Secretary of State may set supplementary standards to be complied with in relation to the design, construction, placing in service, upgrading, renewal, operation and maintenance of the parts of the rail system, as well as the professional qualifications and health and safety conditions of the staff who contribute to its operation and maintenance. (2) Those standards may be set out in NTRs which supplement NTSNs. (3) On IP completion day, the Secretary of State must publish a list of all NTRs applying in the United Kingdom. (4) Where appropriate, the list must specify the notified national technical rule that an NTR replaces. (5) The list of NTRs may be varied from time to time by the Secretary of State. (6) Any variation to the list must be published by the Secretary of State. (7) Regulations 39 and 40 apply to the enforcement of the standards set out in NTRs as they apply to the enforcement of these Regulations.