((a)) ** .—** The Secretary of Transportation by regulation may prescribe a vehicle theft prevention standard under which a person may elect to inscribe or affix an identifying number or symbol on major parts of a motor vehicle manufactured or owned by the person for purposes of and related provisions. The standard may include provisions for registration of the identification with the Secretary or a person designated by the Secretary.
((b)) ** .—** The standard under this section shall be practicable and provide relevant objective criteria.
((c)) ** .—** Compliance with the standard under this section is voluntary. Failure to comply does not subject a person to a penalty or enforcement under this chapter.
((d)) ** .—** Compliance with the standard under this section does not relieve a manufacturer from a requirement of a standard prescribed under section 33102 or 33103 of this title.