N.Y. VAT. LAW § 307 : NY Code - Section 307: Voluntary inspection

Search N.Y. VAT. LAW § 307 : NY Code - Section 307: Voluntary inspection

The  owner  of  any  motor  vehicle, as
  defined in article one of this  chapter,  whose  motor  vehicle  is  not
  required  to  be inspected and certified pursuant to this article or who
  has previously complied therewith may, nevertheless, voluntarily  comply
  with  the  provisions of this article as often as he desires, and in the
  same  manner  as  though  such  inspection  and  certification  were  so
  required.