In the civil service of the United Kingdom, His Majesty's Exchequer, or just the Exchequer, is the accounting process of central government and the government's current account in the Consolidated Fund. The term is used in various financial documents, including the latest departmental and agency annual accounts.

Check is a pattern of modified stripes consisting of crossed horizontal and vertical lines which form squares. The pattern typically contains two colours where a single checker is surrounded on all four sides by a checker of a different colour.