Regulations for alcohol tobacco firearms and explosives code of federal regulations atf regulations are published as title 27 chapter ii code of federal regulations cfr by the government printing office current regulations title 27 cfr chapter ii part 447 importation of arms ammunition and implements of war. Electronic code of federal regulations e cfr title 27 alcohol tobacco products and firearms title 27 alcohol tobacco products and firearms cfr prev next chapter i alcohol and tobacco tax and trade bureau department of the treasury subchapters a m chapter ii bureau of alcohol tobacco firearms and explosives department . Code of federal regulations title 27 alcohol tobacco products and firearms pt 40 399 revised as of april 1 2017 code of federal regulations title 27 alcohol tobacco products and firearms pt 40 399 revised as of april 1 2017. The alcohol tobacco and other regulations administered by ttb are contained in title 27 chapter i of the code of federal regulations 27 cfr chapter i each title of the cfr is divided into chapters then parts which cover a more particular subject. Code of federal regulations title 27 parts 1 39 alcohol tobacco products and firearms atf revised 4 16 code of federal regulations title 2 grants and code of federal regulations title 2 grants and agreements revised as of january 1 2018 code of federal regulations