Definitions
2.—(1)  In these Rules, unless the context otherwise requires —
“American tropics” means those parts of the continent of America, including the islands adjacent thereto, which are bounded by the Tropic of Capricorn (latitude 23º S) and the Tropic of Cancer (latitude 23º N) and by Longitudes 30º W and 120º W and includes that part of Mexico which is north of the Tropic of Cancer;
“consignment of plants or plant products” includes any container, receptacle, packaging material or other article forming part of such a consignment;
“soil” does not include clean sand, peat or rock;
“transit” means to be taken or sent from any country and brought into Singapore for the sole purpose of being carried to another country by the same or another conveyance within any free trade zone.
(2)  For the purpose of these Rules, any reference to the importation or movement of any of the pests, plants, plant products and other materials specified in the First, Second, Third and Fourth Schedules shall be read as including a reference to the importation and movement of such pests, plants, plant products or other materials by post.