The U.S. government took a step toward legitimizing the marijuana industry, allowing U.S. banks to offer accounts and other services to businesses in states where medical or recreational pot sales are legal.

The Treasury’s Financial Crimes Enforcement Network issued guidelines for banks intended to reduce the danger that sellers face in operating an all-cash business. The rules would also give law enforcement more information about marijuana business activity, the agency said yesterday in a statement.

“The idea that we can get checks written for stuff and use our credit cards, and paying taxes online would be fantastic,” said Elliott Klug, 36, co-founder of PinkHouse Blooms LLC, a chain of medical-marijuana dispensaries in Denver. He said he’s been using cash to pay $30,000 to $40,000 a month in state and local taxes and fees.

Read more: Pot Businesses Allowed to Open Accounts With U.S. Banks | Bloomberg