When a person buys the share capital of a company, the transaction will often be referred to as: • a completion accounts deal • an accounts date deal, or • a locked box deal All three names refer to the way in which the parties determine or adjust the price for the target company and impact on the way in which the buyer of a company is protected from historic tax liabilities in the tax covenant (also known as a tax deed). In almost all cases, the parties will agree a headline value for the shares being acquired. That headline price is then adjusted by agreed mechanisms (of which the most common are completion accounts, accounts date and locked box). For further information on the purpose and effect of a tax covenant, see Practice Note: Why have a tax covenant? Completion accounts On a completion accounts deal, the purchase price will be adjusted by reference to a set of accounts prepared as at the date of completion. The parties will agree,