rules of origin — Laws, regulations and administrative procedures which determine a product's country of origin. A decision by a customs authority on origin can determine whether a shipment falls within a quota limitation, qualifies for a tariff preference or is affected by an anti-dumping duty. These rules can vary from country to country.
safeguard measures — Action taken to protect a specific industry from an unexpected build-up of imports — governed by Article XIX of the GATT 1994.
subsidy — There are two general types of subsidies: export and domestic. An export subsidy is a benefit conferred on a firm by the government that is contingent on exports. A domestic subsidy is a benefit not directly linked to exports.
tariffication — Procedures relating to the agricultural market-access provision in which all non-tariff measures are converted into tariffs.
trade facilitation — Removing obstacles to the movement of goods across borders（e.g. simplification of customs procedures）.