Laws & Polices on laboratory animal welfare in the US include:
A.
Health Research Extension Act of 1985 (Public Law 99-158)
B.
U.S. Government Principles (1985); PHS Policy on Humane Care and Use of Laboratory Animals (2015 revised)
C.
Guide for the Care and Use of Laboratory Animals (8th version)
D.
AVMA Guidelines for the Euthanasia of Animals; International Guiding Principles for Biomedical Research Involving Animals (2012)