The National Institutes of Health (NIH), part of the federal government, makes use of Chimpanzees for medical research and testing.

An existing law known as the Chimp Act places a cap of $30 million on the amount of money the NIH can spend on sanctuary care for their retired chimpanzees.

[1] Funding for continuing to house NIH-retired chimpanzees at Chimp Haven was expected to run out in mid-November 2013.

[2] The CHIMP Act Amendments of 2013 was introduced in the United States Senate on September 30, 2013 by Sen. Tom Harkin (D, IA).

"[1] Supporters also argued that it would save the taxpayers money in comparison to the NIH continuing to care for the chimps they would prefer to retire.