; or (ii) the construction of— (I) tunnels or other subsurface structures; (II) sewage and waste facilities; (III) waste treatment and storage facilities; or (IV) public buildings (as defined in section 3301 of title 40); and (B) does not include any contract for construction or resurfacing outside the United States. (2) Executive agency The term executive agency has the meaning given that term in section 102 of title 40. (3) Registered apprenticeship program The term registered apprenticeship program means a program registered under the Act of August 16, 1937 (commonly known as the National Apprenticeship Act; 50 Stat. 664, chapter 663; 29 U.S.C. 50 et seq.). . (2) Clerical amendment The table of sections at the beginning of such chapter is amended by adding at the end the following new item: 6310. Registered apprenticeship program requirement for certain contractors. . (b) Applicability The amendment made by subsection (a)(1) shall apply with respect to contracts awarded on or after the date that is 120 days after the date of the enactment of this Act.