49 C.F.R. § 230.75 Stenciling dates of tests and cleaning.
Title 49 - Transportation
The date of testing and cleaning and the initials of the shop or station at which the work is done, shall legibly be stenciled in a conspicuous place on the tested parts or placed on a card displayed under a transparent cover in the cab of the steam locomotive.
Title 49: Transportation
PART 230—STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS
Subpart C—Steam Locomotives and Tenders
Brake and Signal Equipment
§ 230.75 Stenciling dates of tests and cleaning.
