CFR › Title 46 › Part 108 › §108.62146 CFR §108.621Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkUnless otherwise provided, each marking required in this subpart must be—(a)Printed in English;(b)In red letters with a contrasting background;(c)Permanent;(d)Easy to be seen;(e)At least 1.3 centimeters ( 1/2 inch) in height.