StacksVerified U.S. regulatory reference

46 CFR §119.400

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)This subpart applies to all propulsion and auxiliary machinery installations of the internal combustion piston type.
  2. (b)Where no specific fuel designation exists, the requirements of this subpart are applicable to all types of fuels and machinery.