C. Northcote Parkinson and journalist Ann Fry (1921–1983), with whom he had two sons and a daughter. In 1958, while still in Singapore, he published his most famous work, "Parkinson's Law", which expanded upon a humorous article that he had published in the "Economist" magazine in November 1955, satirising government bureaucracies. The 120-page book of short studies, published in the United States and then in Britain, was illustrated by Osbert Lancaster and became an instant best seller. It explained the inevitability of bureaucratic expansion, arguing that 'work expands to fill the time available for its completion'. Typical of his satire and cynical humour,
Government procurement in the United States available such as the armored vehicle or weapons appropriation. An Antideficiency Act violation can also occur when a contract uses funds in a period that falls outside of the time period the funds are authorized for use under what is known as the Bona Fide Needs rule (31 USC 1502), which provides: "The balance of a fixed-term appropriation is available only for payment of expenses properly incurred during the period of availability or to complete contracts properly made within that period." The Bona Fide Need Rule is a fundamental principle of appropriations law addressing the availability as to time of