StacksVerified U.S. regulatory reference

49 CFR §230.75

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
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.