; (B) the forfeiture of a business entity charter by a service recipient payee; (C) a change in the relative importance of sales commissions in compensating a direct sales service provider payee; or (D) a change in the requirement, or lack thereof, to perform services exclusively for the service recipient payor. (3) Reclassification timing If a reclassification determination is made, then it shall be made effective with respect to the calendar quarter that begins immediately after the date on which the event giving rise to the change in the nature of the economic relationship occurred. (c) Periodic review requirement; frequency (1) In general The service recipient payor or service provider payee responsible for a classification determination under subsection (a) or (b) shall make annual determinations for any continuing economic relationships with service recipient payors or service provider payees, as the case may be. These periodic reviews shall be completed by January 31 with respect to continuing economic relationships as of December 31 of the previous calendar year. (2) Effective date of determination changes If a reclassification determination is made as a result of this review, it shall be made effective beginning on the first day of the first month that immediately follows the determination. (d) Exemption For purposes of this section, if a service provider payee does not have more than 100 hours worked or been compensated more than a total of $10,000 during a calendar quarter in which the reclassification determination is made, then the service provider payor or service provider payee, as the case may be, is exempt from the requirements of this section. II Application to other laws 201. Fair Labor Standards Act of 1938 Section 3 of the Fair Labor Standards Act of 1938 ( 29 U.S.C. 203 ) is amended— (1) by striking subsection (d) and inserting the following: (d) Employer — (1) has the meaning given the term in section 101 of the 21st Century Worker Act