On July 22, 2004, President George W. Bush signed H.R. 218, (LEOSA) the "Law Enforcement Officers' Safety Act into law. The Act is now Public Law 108-277. 

The bill exempts qualified active and retired law enforcement officers from local and State prohibitions on the carrying of concealed firearms. 

On 12 October 2010, President Barack H. Obama signed S. 1132, the “Law Enforcement Officers’ Safety Act Improvements Act,” into law. The Act is now Public Law 111-272. 

The bill improves the ability of retired officers to comply with the documents required by existing Federal law when carrying a firearm under 18 USC 926C and makes other modifications to existing law. 

On January 2, 2013, President Obama signed H.R. 4310 into law. LEOSA can be cited as 18 USC 926B for Active Duty Law Enforcement Officers and 18 USC 926C for Retired or Separated Officers.