Section 22 — Fund of the Service

The Service shall establish and maintain a fund which shall consist of, and to which shall be credited—

(a) four (4) per cent of the total revenue, less petroleum royalty, collected by the Service, which shall be appropriated by the National Assembly for the capital and recurrent expenditures of the Service;

(b) all sums of money accruing to the Service by way of grants-in-aid, gifts, testamentary dispositions, endowments and contributions from any source;

(c) such moneys as may be granted to the Service by the Federal, State or Local Governments or other donor agencies, provided such grants are not intended for purposes contrary to the objective of the Act or functions of the Service; and

(d) all other moneys which may, from time to time, accrue to the Service from other sources, including charges for assistance in tax collection, the disposal, lease or hire of, or any other dealing with, any property vested in or acquired by the Service.