Donald Trump is considering a possible executive order that would require banks to make sure customers are U.S. citizens to create or keep their accounts, according to a new report.

The proposed action, reported byThe Wall Street Journal, would see banks collect information on individuals’ citizenship through requests for a new category of documents in order to open the accounts.

The Independent has contacted the White House for confirmation or further information about reports of the executive order, which has reportedly raised eyebrows among some banks in recent days.