For purposes of this chapter:

(1) The term “distortion” includes, but is not limited to, a subsidy.

(2) The term “foreign country” includes any foreign instrumentality. Any territory or possession of a foreign country that is administered separately for customs purposes, shall be treated as a separate foreign country.

(3) The term “GATT” means the GATT 1947 (as defined in section 3501(1)(A) of this title).

(4) The term “implementing bill” has the meaning given such term in section 2191(b)(1) of this title.

(5) The term “international trade” includes, but is not limited to—

(A) trade in both goods and services, and

(B) foreign direct investment by United States persons, especially if such investment has implications for trade in goods and services.

(6) The term “state trading enterprise” means—

(A) any agency, instrumentality, or administrative unit of a foreign country which—

(i) purchases goods or services in international trade for any purpose other than the use of such goods or services by such agency, instrumentality, administrative unit, or foreign country, or

(ii) sells goods or services in international trade; or

(B) any business firm which—

(i) is substantially owned or controlled by a foreign country or any agency, instrumentality, or administrative unit thereof,

(ii) is granted (formally or informally) any special or exclusive privilege by such foreign country, agency, instrumentality, or administrative unit, and

(iii) purchases goods or services in international trade for any purpose other than the use of such goods or services by such foreign country, agency, instrumentality, or administrative unit, or which sells goods or services in international trade.