If you've ever run or owned a business and accepted credit/debit cards, you're familiar with the 'merchant category code'. The IRS requires a business code on your business tax forms as well.
There's a lot of folk in the patriot movement who deign on using plastic to buy certain items, for reasons that do have merit, as this code is recorded on the purchase for . . . ever(?) on your credit card companies servers. Personally, IDGAF, except now banks may take financial moves against those with the 'evil' firearms or some such code.
"5723.
Those four digits have prompted more than a dozen new state laws. Companies affected by those laws say they have created “significant confusion and legal uncertainty.”
"That four-digit number is a type of merchant category code (MCC), which credit card companies use to classify businesses by the goods or services they provide. There are unique codes for all sorts of businesses, from stamp and coin stores to welding repair. They do not allow the financial companies to see what was purchased, only where it was purchased.
That specific code would identify gun and ammunition stores. Several states — including Tennessee — have passed laws prohibiting financial institutions from using it."
Tennessee law blocking code for firearms sales just took effect. Here's what it means
