§ 339. Owner may give proof for chauffeur or member of family. Whenever the commissioner determines that any person required to give proof or furnish security under this article, or under certain provisions of article three previously numbered article six-a of this chapter, as added by chapter six hundred ninety-five of the laws of nineteen hundred twenty-nine and repealed by chapter eight hundred seventy-two of the laws of nineteen hundred forty-one, is or later becomes a chauffeur or motor vehicle operator, however designated, in the employ of an owner of a motor vehicle, or is or later becomes a member of the immediate family or household of the owner of a motor vehicle, the commissioner shall accept proof of financial responsibility given by such owner in lieu of proof by such person to permit such person to operate a motor vehicle for which the owner has given proof as herein provided. In case such person is one who is furnished proof of financial responsibility by his employer, he shall not be required to furnish security. The commissioner shall designate the restrictions imposed by this section on the face of such person's operator's or chauffeur's license.

If the owner of a motor vehicle is one who is required to furnish coverage for the vehicle under section three hundred seventy of this chapter, or one whose vehicles are operated under a permit or a certificate of convenience and necessity issued pursuant to the public service law or is a self-insurer, proof by the owner on behalf of another as provided by this section may be made if there is filed with the commissioner satisfactory evidence that such owner has complied with the law with respect to his liability for damage caused by the operation of his vehicles by providing the required insurance or other coverage or that he is a self-insurer.