What is the meaning of section 922(g)(5) of the Immigration Code?

"To determine the plain meaning. . . of a statute, we must examine not only the specific provision[s] at issue, but also the structure of the law as a whole including its object and policy." Almero v. INS, 18 F.3d 757, 760 (9th Cir.1994). If a statute is silent regarding an issue, we will defer to the interpretation of the administrative agency charged with implementing the statute. Id. at 763.

Here, 18 U.S.C. 922(g)(5) reads:

(g) It shall be unlawful for any person

(5) who, being an alien

(A) is illegally or unlawfully in the United States; or