15 U.S. Code § 6006 - “Approved bicycle helmet” defined

In this chapter, the term “approved bicycle helmet” means a bicycle helmet that meets—

(1) any interim standard described in section 6004(b) of this title, pending establishment of a final standard under section 6004(c) of this title; and

(2) the final standard, once it is established under section 6004(c) of this title.

(Pub. L. 103–267, title II, § 207, June 16, 1994, 108 Stat. 728.)