(a) The ALJ's initial decision becomes the final decision of the Department 60 days after the recipient receives the ALJ's decision unless the Secretary modifies, sets aside, or remands the decision during the 60-day period.

(b) If the Secretary modifies or sets aside the ALJ's initial decision, a copy of the Secretary's decision is sent by the Office of Hearings and Appeals to the parties by certified mail, return receipt requested. The Secretary's decision becomes the final decision of the Department on the date the recipient receives the Secretary's decision.