; (2) the circumstances under which such research was conducted using canines, felines, or non-human primates; (3) the justification for using canines, felines, or non-human primates to conduct such research; and (4) the protocols in place to ensure the necessity, safety, and efficacy of such research. (e) The Department shall implement a plan under which the Secretary will eliminate or reduce the research conducted using canines, felines, or non-human primates by not later than 5 years after the date of enactment of Public Law 116–94 . 248. (a) The Secretary of Veterans Affairs may use amounts appropriated or otherwise made available in this title to ensure that the ratio of veterans to full-time employment equivalents within any program of rehabilitation conducted under chapter 31 of title 38, United States Code, does not exceed 125 veterans to one full-time employment equivalent. (b) Not later than 180 days after the date of the enactment of this Act, the Secretary shall submit to Congress a report on the programs of rehabilitation conducted under chapter 31 of title 38, United States Code, including— (1) an assessment of the veteran-to-staff ratio for each such program