; or (ii) a mouse of the genus Mus. (5) Nonprofit organization The term nonprofit organization means an organization described in section 501(c)(3) of the Internal Revenue Code of 1986 and exempt from taxation under section 501(a) of that Code. (6) Suitable for retirement The term suitable for retirement means, with respect to an animal, that the animal has been evaluated by a licensed veterinarian and is determined to be mentally and physically healthy. (b) Laboratory animal facilities and exhibitors Any department, agency, or instrumentality of the United States that operates laboratory animal facilities or exhibits animals shall comply with the standards and other requirements promulgated by the Secretary under subsections (a), (g), (h), and (i) of section 13. (c) Retirement (1) In general Not later than 90 days after the date of enactment of the AFTER Act of 2023 , any department, agency, or instrumentality of the United States operating a Federal research facility shall, after public notice and comment, promulgate regulations that, with respect to any animal of the facility that is no longer needed for research and determined to be suitable for retirement— (A) facilitate and encourage the adoption of the animal by, or placement of the animal with— (i) an animal rescue organization, animal sanctuary, animal shelter, or individual who intends to keep the animal as a pet; or (ii) in the case of a nonhuman primate, an animal sanctuary