In section 386(1) of the [1986 c. 45.] Insolvency Act 1986 (categories of preferential debts) and in Article 346(1) of the [S.I. 1989/2405 (N.I.19).] Insolvency (Northern Ireland) Order 1989 (equivalent provision for Northern Ireland) after “lottery duty” there shall be inserted “, air passenger duty”.