49 C.F.R. § 384.212 Domicile requirement.
Title 49 - Transportation
(a) The State shall issue CDLs only to those persons for whom such State is the State of domicile as defined in §383.5 of this title; except that the State may issue a nonresident CDL under the conditions specified in §§383.23(b), 383.71(e), and 383.73(e) of this title. (b) The State shall require any person holding a CDL issued by another State to apply for a transfer CDL from the State within 30 days after establishing domicile in the State, as specified in §383.71(b) of this title.
Title 49: Transportation
PART 384—STATE COMPLIANCE WITH COMMERCIAL DRIVER'S LICENSE PROGRAM
Subpart B—Minimum Standards for Substantial Compliance by States
§ 384.212 Domicile requirement.