; or (C) enforcement of the written contract with respect to the eligible student 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 the United States becomes so entitled. (5) Availability Amounts recovered under paragraph (1) shall be available to the Secretary for making loan repayments under this section and shall remain available for such purpose until expended. (6) Regulations Prior to implementation of the Wildlife and Zoological Veterinary Workforce Scholarship Program, the Secretary shall establish, by regulation, procedures for determining the amount of the repayment required under paragraph (1). (i) Authorization of appropriations There is authorized to be appropriated to carry out this section $3,000,000 for each of fiscal years 2017 through 2021. Amounts appropriated under this subsection are authorized to remain available until expended. II Wildlife and zoological veterinary medicine educational development 201. Grants to accredited schools and colleges of veterinary medicine for curricula in wildlife and zoological veterinary medicine (a) Establishment Not later than 1 year after the date of enactment of this Act, the Secretary shall establish a pilot program to award grants to accredited schools and colleges of veterinary medicine to develop or improve new or existing curricula that specialize in wildlife or zoological veterinary medicine, to be available to veterinary students in the final years of a program for which the accredited schools or colleges of veterinary medicine award a doctoral degree in veterinary medicine. (b) Eligibility To be eligible for a grant under this section, an accredited school or college of veterinary medicine shall submit to the Secretary a proposal— (1) at such time and in such form and manner as the Secretary may require