The terms "State" and "States," as used in this chapter, shall be held to include the District of Columbia. 42 U.S.C. § 27 July 9, 1918, ch. 143, ch. XV, §8, 40 Stat. 887. EDITORIAL NOTES REFERENCES IN TEXTThis chapter, referred to in text, means chapter XV of act July 9, 1918, ch. 143, 40 Stat. 887, which, insofar as classified to the Code, enacted sections 24 to 27 of this title and amended section 28 of this title. For complete classification of this Act to the Code, see Tables.