16 CFR Part 233

5 sections.

§ 233.1
Former price comparisons
§ 233.2
Retail price comparisons; comparable value comparisons
§ 233.3
Advertising retail prices which have been established or suggested by manufacturers (or other nonretail distributors)
§ 233.4
Bargain offers based upon the purchase of other merchandise
§ 233.5
Miscellaneous price comparisons

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.