(a) "Sending state" shall mean a party state from which a patient is transported pursuant to the provisions of the compact or from which it is contemplated that a patient may be so sent.

(b) "Receiving state" shall mean a party state to which a patient is transported pursuant to the provisions of the compact or to which it is contemplated that a patient may be so sent.

(c) "Institution" shall mean any hospital or other facility maintained by a party state or political subdivision thereof for the care and treatment of mental illness or developmental disability.

(d) "Patient" shall mean any person subject to or eligible as determined by the laws of the sending state, for institutionalization or other care, treatment, or supervision pursuant to the provisions of this compact.

(e) "Aftercare" shall mean care, treatment and services provided a patient, as defined herein, on convalescent status or conditional release.

(f) "Mental illness" shall mean mental disease to such extent that a person so afflicted requires care and treatment for his or her own welfare, or the welfare of others, or of the community.

(g) "State" shall mean any state, territory or possession of the United States, the District of Columbia, and the commonwealth of Puerto Rico. (Added 1967, No. 305 (Adj. Sess.), § 1, eff. Oct. 1, 1968; amended 1977, No. 257 (Adj. Sess.), § 4; 2005, No. 174 (Adj. Sess.), § 48.)