US Code
Part V— Adjustment and Change of Status
§ 1259. Record of admission for permanent residence in the case of certain aliens who entered the United States prior to

(a) entered the United States prior to January 1, 1972;
(b) has had his residence in the United States continuously since such entry;
(c) is a person of good moral character; and
(d) is not ineligible to citizenship and is not deportable under section 1227(a)(4)(B) of this title.