More than 100 Republicans in a letter expressed concern over the decision of several credit card giants to establish a new specific merchant code for firearms dealers, calling the effort “an assault on the Second Amendment.”
Earlier this month, the International Organization for Standardization (ISO), a Switzerland-based group that sets and monitors quality standards for industries of all types, confirmed that one of its subcommittees had voted to establish a new merchant category code (MCC) for firearms, which previously fell into the “general merchandise” category.
