Handbook M-5 Schemes (1980) is Obsolete
Scheme training in the USPS changed greatly in 1983 due to a lawsuit filed by the Wage and Hour Division of the U.S. Department of Labor in Donovan v. United States Postal Service, Civil Action No. 78-0602. See NY Times: Postal Employees Win $400 Million Numerous Postal Service handbooks and manuals had to be revised…