The federal government is suing Walmart and the fintech company Branch Messenger, accusing the companies of forcing employees to use specific accounts to access their pay and of opening the accounts on the employees’ behalf.

Walmart and a financial tech company are being sued over allegations the retail giant forced drivers to use costly, complicated deposit accounts in order to get paid and raked-in millions in the process.

The Consumer Financial Protection Bureau said it sued Walmart and payment platform Branch Messenger for practices concerning delivery drivers’ pay and reimbursement.CFPB’s lawsuit alleges that Walmart and Branch opened Branch accounts for Spark drivers,