The U.S. Postal Service has backed down from its plan to stop Saturday mail delivery, CNNMoney reported, citing a Congressional mandate that calls for delivery six days a week.

 In February, the agency announced a plan to stop delivering mail on Saturdays, except for packages and express mail. The move would have saved $2 billion a year. However, Congress decided to keep that mandate, which has been on the books since the 1980s, last month when it passed a funding measure to keep the government running.

 In a statement, the Postal Service said it will continue Saturday delivery until Congress amends the mandate.