Pub. L. 110-329, div. D, tit. V, sec. 528

Sec. 528. None of the funds made available in this Act may be used to destroy or put out to pasture any horse or other equine belonging to the Federal Government that has become unfit for service, unless the trainer or handler is first given the option to take possession of the equine through an adoption program that has safeguards against slaughter and inhumane treatment.