of automobiles for family use, and babysitters employed on other than a casual basis. (3) Third-party employment as used in subsections (a)(15) and (b)(21) of section 13, means the employment of any employee who is engaged in providing companionship services or live-in domestic services and who is employed by an employer other than the family or household using the services of the employee, whether or not such employee provides services to more than one family or household in the same workweek. . 3. Preservation of the companionship services exemption Paragraph (15) of section 13(a) of the Fair Labor Standards Act of 1938 ( 29 U.S.C. 213(a)(15) ) is amended— (1) by inserting (including through third-party employment) after companionship services