From the U.S. Code Online via GPO Access
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[Laws in effect as of January 3, 2006]
[CITE: 33USC521]

 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
                CHAPTER 11--BRIDGES OVER NAVIGABLE WATERS
 
                  SUBCHAPTER II--ALTERATION OF BRIDGES
 
Sec. 521. Regulations and orders

    The Secretary is authorized to prescribe such rules and regulations, 
and to make and issue such orders, as may be necessary or appropriate 
for carrying out the provisions of this subchapter.

(June 21, 1940, ch. 409, Sec. 11, 54 Stat. 501.)