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S. 4172
U.S. Senate•In Senate Committee
Summary
S. 4172, the AFTER Act of 2026, was introduced in the Senate on Mar 24, 2026 by Sen. Susan Collins (R) with 3 co-sponsors. It was referred to Agriculture, Nutrition, And Forestry, and last saw action on Mar 24, 2026: Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry. (Sponsor introductory remarks on measure: CR S1581-1582).
Record
Text
S. 4172 has 3 co-sponsors.
sb4172/introduced-in-senate.txt119 S4172 IS: Animal Freedom from Testing, Experiments, and Research Act of 2026U.S. Senate2026-03-24text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.II 119th CONGRESS 2d Session S. 4172 IN THE SENATE OF THE UNITED STATES March 24, 2026 Ms. Collins (for herself and Mr. Peters ) introduced the following bill; which was read twice and referred to the Committee on Agriculture, Nutrition, and Forestry A BILLTo amend the Animal Welfare Act to allow for the retirement of certain animals used in Federal research, and for other purposes.1.Short TitleThis Act may be cited as the Animal Freedom from Testing, Experiments, and Research Act of 2026 or the AFTER Act of 2026 .2.Placement of animals used in Federal research(a)In generalSection 14 of the Animal Welfare Act ( 7 U.S.C. 2144 ) is amended to read as follows:14.Standards for Federal facilities(a)DefinitionsIn this section:(1)Animal rescue organizationThe term animal rescue organization means a nonprofit organization the purpose of which is to rescue covered animals and find permanent adoptive homes for those animals.(2)Animal sanctuaryThe term animal sanctuary means a nonprofit organization that—(A)is registered with the Secretary;(B)operates a place of refuge in which—(i)a covered animal is provided care for the lifetime of the animal; and(ii)an unescorted public visitation of that animal is not permitted;(C)does not engage in commercial trade of covered animals;(D)does not breed covered animals;(E)does not permit direct contact between the public and covered animals;(F)does not allow the use of a covered animal for performance or exhibition purposes; and(G)does not conduct or permit research on a covered animal other than noninvasive behavioral research.(3)Animal shelterThe term animal shelter means a facility that—(A)accepts or seizes covered animals—(i)to care for the animals;(ii)to place those animals in a permanent adoptive home; or(iii)for purposes of law enforcement; and(B)does not—(i)engage in commercial trade of covered animals;(ii)breed covered animals;(iii)allow the use of a covered animal for performance or exhibition purposes; or(iv)conduct or permit research on a covered animal other than noninvasive behavioral research.(4)Covered animal(A)In generalThe term covered animal means an animal that is unwanted, abandoned, or otherwise in need of placement in a home.(B)ExclusionsThe term covered animal does not include—(i)a rat of the genus Rattus; or(ii)a mouse of the genus Mus.(5)Nonprofit organizationThe 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 retirementThe 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 exhibitorsAny 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 generalNot later than 90 days after the date of enactment of the AFTER Act of 2026 , 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; and(B)to the maximum extent practicable, collaborate with appropriate nonprofit organizations to carry out subparagraph (A).(2)National placementThe regulations promulgated to carry out paragraph (1)(A) shall include consideration of placing animals with the entities described in that subparagraph that are located beyond the immediate geographic vicinity of the Federal research facility at which the animal being retired is located.(d)Effect on other lawsNothing in this section, including regulations promulgated under subsection (c)(1), shall—(1)preempt any State or local law relating to the adoption or placement of animals used in research that is more stringent than the requirements of this section;(2)prohibit, prevent, forestall, or otherwise impede the placement of any chimpanzee that has been used, or was bred or purchased for use, in research conducted or supported by a Federal agency into the sanctuary system established under section 404K of the Public Health Service Act ( 42 U.S.C. 283m ); or(3)prevent a State or unit of local government from adopting or enforcing an animal welfare law that is more stringent than this section..(b)Technical amendmentsSection 13 of the Animal Welfare Act ( 7 U.S.C. 2143 ) is amended—(1)by redesignating subsections (g) and (h) as subsections (h) and (i), respectively; and(2)by redesignating the second subsection (f) (relating to the certification requirement for the delivery of any animal) as subsection (g).
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2026-03-24
- Passed Senate
- Passed House
- Conference
- To President
- Became Law
A bill to amend the Animal Welfare Act to allow for the retirement of certain animals used in Federal research, and for other purposes.
Sponsors
Sen. Susan Collins (R) sponsors S. 4172, and 3 members have co-sponsored it, 1 of them from the day it was introduced.
Committees
S. 4172 went before 1 committee: Agriculture, Nutrition, and Forestry.

Actions
S. 4172 has taken 2 actions since Mar 24, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
Mar 24, 2026 | Senate | Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry. (Sponsor introductory remarks on measure: CR S1581-1582)Agriculture, Nutrition, and Forestry Committee | ||
Mar 24, 2026 | — | Introduced in Senate |
Votes
S. 4172 has not gone to a roll call.
Titles
S. 4172 goes by 4 titles, 2 of them short titles.
- AFTER Act of 2026 — Display Title
- AFTER Act of 2026 — Short Title(s) as Introduced
- Animal Freedom from Testing, Experiments, and Research Act of 2026 — Short Title(s) as Introduced
- A bill to amend the Animal Welfare Act to allow for the retirement of certain animals used in Federal research, and for other purposes. — Official Title as Introduced
Lobbying
2 clients hired 2 firms and 4 registered lobbyists who named S. 4172 in 4 quarterly filings, 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Animals, Budget/Appropriations, Health Issues, Medical/Disease Research/Clinical Labs, Transportation.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| WHITE COAT WASTE PROJECT INC | — | Virginia | 1 | 3 | — |
| NATIONAL ASSOCIATION FOR BIOMEDICAL RESEARCH | — | District of Columbia | 1 | 1 | — |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| WHITE COAT WASTE PROJECT INC | 1 | 3 | — |
| NATIONAL ASSOCIATION FOR BIOMEDICAL RESEARCH | 1 | 1 | — |
Lobbyists
Named on the filings that cite the bill.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| JUSTIN GOODMAN | 1 | 1 | 3 |
| AMBER LOCKRIDGE | 1 | 1 | 1 |
| BRANDON MORTON | 1 | 1 | 1 |
| MATTHEW BAILEY | 1 | 1 | 1 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| NATIONAL ASSOCIATION FOR BIOMEDICAL RESEARCH | NATIONAL ASSOCIATION FOR BIOMEDICAL RESEARCH | 2026 second_quarter | $30K | 2nd Quarter - Report |
| WHITE COAT WASTE PROJECT INC | WHITE COAT WASTE PROJECT INC | 2026 second_quarter | $10K | 2nd Quarter - Report |
| WHITE COAT WASTE PROJECT INC | WHITE COAT WASTE PROJECT INC | 2026 first_quarter | $10K | 1st Quarter - Amendme… |
| WHITE COAT WASTE PROJECT INC | WHITE COAT WASTE PROJECT INC | 2026 first_quarter | $10K | 1st Quarter - Report |
Classification
The Congressional Research Service files S. 4172 under Animals, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; S. 4172’s is Animals.
s4172/policy-areas.txtSource: congress.gov · legiscan.com