Relief for United Nations goods
4. No tax shall be payable on the importation, for whatever purpose, of goods produced by the United Nations or by a United Nations organisation, being goods—
(a)of a description specified in Part I of Schedule 1 to this Order, or
(b)classified under any heading or subheading specified in column 1 of Part II of Schedule 1 to this Order and within the limits of relief specified in column 2 thereof in relation to such heading or subheading.