President Joe Biden has asked Education Secretary Miguel Cardona to prepare a memo about his legal authority to cancel student debt, chief of staff Ron Klain said Thursday, as pressure grows for the administration to address the student loan crisis crippling millions of Americans.

Klain said in an interview with Politico that Biden will decide how to proceed once he reviews the memo, which could be sent to his desk in the next few weeks.

“He’ll look at that legal authority, he’ll look at the policy issues around that, and then he’ll make a decision,” Klain said. “He hasn’t made a decision on that either way. In fact, he hasn’t yet gotten the memos that he needs to start to focus on that decision.”