49 CFR Part 224

5 sections.

§ 224.105
Sheeting dimensions and quantity
§ 224.106
Location of retroreflective sheeting
§ 224.107
[Reserved]
§ 224.109
Inspection and replacement of missing, damaged, or obscured retroreflective sheeting
§ 224.111
Evaluation and replacement of 10-year-old or underperforming retroreflective sheeting

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.