,i #aaith ,,congress #b;d ,session ,h4 ,r4 #gacc ,,in ,,the ,,house ,,of ,,representatives ,january #af1 #bjbf,mr4 ,frost introduced the following bill2 which was referred to the ,committee on ,financial ,services ,a ,,bill ,to prohibit ,states from prohibiting or otherwise deterring the usage of any merchant category code established by the ,international ,organization for ,standardization1 including codes that identify firearm merchants and ammunition merchants4 #a4 ,short title ,this ,act may be cited as the ,merchant ,codes ,can ,save ,lives ,act4 #b4 ,preemption relating to merchant category codes ,section #ecac of title #ca1 ,united ,states ,code1 is amended by inserting after subsection 7g7 the following3 7h7 ,merchant category code usage 7#a7 ,in general ,no ,state may prohibit or otherwise deter the usage of any merchant category code established by the ,international ,organization for ,standardization for identifying firearm merchants or payment card transactions involving the purchase of a firearm1 firearm ammunition1 ammunition components for use with firearms1 or firearm accessories4 7#b7 ,enforcement ,the ,attorney ,general may bring a civil action in the appropriate district court to enforce this subsection4 4