Historical and Revision Notes
Revised Section	Source (U.S. Code)	Source (Statutes at Large)
21701(a)	36:41.	Sept. 16, 1919, ch. 59, §§ 1, 2, 41 Stat. 284.
	36:42.
21701(b)	36:44 (words before 4th semicolon related to perpetual succession).	Sept. 16, 1919, ch. 59, § 4 (words before 4th semicolon related to perpetual succession), 41 Stat. 285; June 26, 1953, ch. 153, § 1, 67 Stat. 82.

This section is substituted for the source provisions for consistency in the revised title and to eliminate unnecessary and obsolete language.