; (B) compliance by the eligible individual with the agreement is impossible or would cause extreme hardship to the eligible individual; or (C) enforcement of the agreement with respect to the eligible individual would be unconscionable. (4) Date certain for recovery Any amount that the Federal Government is entitled to recover under paragraph (1) shall be paid to the United States not later than 3 years after the date on which the United States becomes so entitled. (5) Availability Amounts recovered under paragraph (1) shall be available to the Secretary for making payments under this section and shall remain available for such purpose until expended. (6) Regulations Prior to implementation of the Wildlife and Zoological Veterinary Workforce Loan Repayment Program, the Secretary shall establish, by regulation, procedures for determining the amount of the repayment required under paragraph (1). (g) Authorization of appropriations There is authorized to be appropriated to carry out this section $5,000,000 for each of fiscal years 2017 through 2021. Amounts appropriated under this subsection are authorized to remain available until expended. 103. Scholarship program for veterinary students specializing in wildlife and zoological populations (a) In general To expand the workforce of wildlife and zoological veterinarians, the Secretary shall establish and carry out a program, to be known as the Wildlife and Zoological Veterinary Workforce Scholarship Program , under which the Secretary shall enter into agreements with eligible students to award such eligible students scholarships for serving as wildlife or zoological veterinarians at wildlife or veterinary institutions upon graduation from an accredited school or college of veterinary medicine. (b) Eligible student For purposes of this section, an individual shall be treated as an eligible student if the individual— (1) is a United States citizen, national, or a lawful permanent resident