Subject to such conditions as they may impose for the protection of the Revenue, the Commissioners, upon an application in that behalf made to them within the period of five years beginning with the passing of this Act, may remit purchase tax chargeable in respect of an article of furniture, plate or textile material, or an ornament, by virtue either of a purchase thereof or of such an appropriation or application thereof as is mentioned in section twenty-five of the Finance (No. 2) Act, 1940, if they are satisfied that the purchase, appropriation or application was made for the purpose of placing the article or ornament in a place of religious worship as a war memorial and that it will be retained therein.