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NOTES:


Source

(Mar. 19, 1918, ch. 24, § 3, as added Mar. 3, 1923, ch. 216, 42 Stat. 1434; amended June 24, 1948, ch. 631, § 1, 62 Stat. 646; Pub. L. 110–69, title III, § 3013(c)(4), Aug. 9, 2007, 121 Stat. 599.)

Prior Provisions

The original section 3 of act Mar. 19, 1918, providing for daylight-savings, was repealed by act Aug. 20, 1919, ch. 51, 41 Stat. 280.

Amendments

2007—Pub. L. 110–69 substituted “fourth zone” for “third zone”.
1948—Act June 24, 1948, inserted proviso relating to common carriers.

Effective Date of 1948 Amendment

Section 2 of act June 24, 1948, provided that: “This Act [amending this section] shall take effect at 2 o’clock antemeridian of the second Monday following the date of its enactment.”


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