authorised personmeans a person acting under the authority of the Commissioners;
costsmeans any costs, charges, expenses and fees;
officermeans, subject to section 8(2) of the Customs and Excise Management Act 1979, a person commissioned by the Commissioners pursuant to section 6(3) of that Act;
person in defaultmeans a person who has refused or neglected to pay any relevant tax due from him;
relevant taxmeans any of the following— (a) any duty of customs or excise, other than vehicle excise duty;
walking possession agreementmeans an agreement under which, in consideration of any goods and chattels distrained upon being allowed to remain in the custody of the person in default and of the delaying of their sale, that person— (a) acknowledges that the goods and chattels specified in the agreement are under distraint and held in walking possession;