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.
Following the decision by the influential body Visa, one of the largest debit and credit card companies, adopted the change….