 At which, PMG Potter testified that by the year 2020, the USPS cumulative losses could exceed $238 billion, and that mail volume could drop 15 percent from 2009.In February 2013, the USPS announced that in order to save about $2 billion per year, Saturday delivery service would be discontinued except for packages, mail-order medicines, Priority Mail, Express Mail, and mail delivered to Post Office boxes, beginning August 10, 2013.However, the Consolidated and Further Continuing Appropriations Act, 2013, passed in March, reversed the cuts to Saturday delivery.