N.Y. Comp. Codes R. & Regs. tit. 10, § 47-5.5
(a) Period.
A recipient shall agree to practice for a minimum of two consecutive years in an underserved area. A recipient shall provide at least 40 hours of service per week for at least 48 weeks per year.
(b) Start date.
A recipient is required to begin practice in an underserved area within 90 days of signing a service agreement.