Code of Federal Regulations Title 6. Domestic Security § 6.37.1 Applicability

(a) Subparts A through E of this part apply to States and U.S. territories that choose to issue driver's licenses and identification cards that can be accepted by Federal agencies for official purposes.

(b) Subpart F establishes certain standards for State-issued driver's licenses and identification cards issued by States that participate in REAL ID, but that are not intended to be accepted by Federal agencies for official purpose under section 202(d)(11) of the REAL ID Act.