"The United States Government Printing Office style manual is published under the direction and authority of the Public Printer of the United States, Robert C. Tapella"--Page iii. "By act of Congress the Public Printer is authorized to determine the form and style of Government printing. The GPO Style Manual is the product of many years of public printing experience, and its rules are based on principles of good usage and custom in the printing trade. Editors and writers whose disciplines have taught them aspects of style different from rules followed in this Manual will appreciate the difficulty of establishing a single standard. The GPO Style Manual has served Federal printers since 1894, and with this 30th edition, the traditions of printing and graphic arts are carried forward in the 21st century"--About this manual, p. v. "Previous printings of the GPO Style Manual: 1894, 1898, 1900, 1903, 1908, 1909, 1911, 1912, 1914, 1917, 1922, 1923, 1924, 1926, 1928, 1929, 1933, 1934, 1935, 1937, 1939, 1945, 1953, 1959, 1962, 1967, 1973, 1984, 2000"--Page iii.

The U.S. Government Printing Office Style Manual, provides comprehensive information on form and style for printing and binding, and the material and the style of type used. - Title 44, U.S.C. section 1105, Form and style of work for departments.