(a) Any commodities or products exported from Southern Rhodesia after the date of the present resolution in contravention of Security Council resolution 253 (1968) which the know or have reasonable cause to believe to have been so exported; (b) Any commodities or products which the know or have reasonable cause to believe to be destined or intended for importation into Southern Rhodesia after the date of the present resolution in contravention of resolution 253 (1968); (c) Commodities, products or other property in Southern Rhodesia, in contravention of resolution 253 (1968);