8 U.S. Code § 1572 - Definitions
The term “backlog” means, with respect to an immigration benefit application, the period of time in excess of 180 days that such application has been pending before the Immigration and Naturalization Service.
The term “immigration benefit application” means any application or petition to confer, certify, change, adjust, or extend any status granted under the Immigration and Nationality Act [8 U.S.C. 1101 et seq.].
The Immigration and Nationality Act, referred to in par. (2), is act June 27, 1952, ch. 477, 66 Stat. 163, as amended, which is classified principally to chapter 12 (§ 1101 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under section 1101 of this title and Tables.
For abolition of Immigration and Naturalization Service, transfer of functions, and treatment of related references, see note set out under section 1551 of this title.