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.
15 U.S.C. § 6006 (2018)