Government of Ireland Act 1920

III Civil Expenditure, that is to say :—

(a) Civil List and Royal Family.

(b) Expenditure in connexion with—

(i) the Parliament of the United Kingdom ;

(ii) The National Debt Commissioners ;

(iii) The Foreign Office and diplomatic and consular services, including secret service, special services, and telegraph subsidies;

(iv) The Colonial Office, including special services and telegraph subsidies;

(v) Trade with any place out of the United Kingdom ;

(vi) The Mint;

(c) Such of the expenditure in connexion with any other Government department as the Joint Exchequer Board may determine to be Imperial expenditure;

after deducting any sums received otherwise than by way of taxation which the Joint Exchequer Board may determine to be of the nature of Imperial receipts.