12 U.S.C. § 1769: Separability; right to alter, amend, or repeal chapter

(a) If any provision of this chapter, or the application thereof to any person or circumstance, is held invalid, the remainder of the chapter, and the application of such provision to other persons or circumstances, shall not be affected thereby. (b) The right to alter, amend, or repeal this chapter or any part thereof, or any charter issued pursuant to the provisions of this chapter, is expressly reserved.