The major credit card issuers are staying relatively quiet about their decision to adopt a specialized code for gun retailers.
Mastercard and American Express did not respond to multiple requests for comment on their decision-making process.
Visa pointed The Reload to a recent blog post on the company’s website but did not answer any questions. The financial companies’ tight lips come as Republicans press for answers about how they plan to use the new data.
“Of course, there is no accepted, consistent, scientific, or legitimate way to determine from this data what is and what is not a ‘suspicious’ purchase,” 100 Republican congressmen said in a letter to Visa. “A gun control advocate could view any desire to own or obtain a firearm as per se suspicious.”