# § 3077. Effective date
**1** The first sentence of section 202(a),[^1] this section, and sections 3001, 3002, 3074, 3075, and 3076 of this title shall take effect July 26, 1947.
See References in Text note below.
**(b)** Except as provided in subsection (a), the provisions of this chapter shall take effect on whichever of the following days is the earlier: The day after the day upon which the Secretary of Defense first appointed takes office, or the sixtieth day after July 26, 1947.
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**Source Credit**: (July 26, 1947, ch. 343, title III, § 310, 61 Stat. 509.)
## Editorial Notes
### References in Text
The first sentence of section 202(a), referred to in subsec. (a), means the first sentence of section 202(a) of , which was classified to section 171a of former Title 5, Executive Departments and Government Officers and Employees, prior to the enactment of Title 5, Government Organization and Employees, by , , .
This chapter, referred to in subsec. (b), was in the original “this Act”, meaning , , known as the National Security Act of 1947, which is classified principally to this chapter. For complete classification of this Act to the Code, see Tables.
### Codification
Section was formerly classified as a note under prior to editorial reclassification as this section.