(a) General applicability. This subpart applies to any U.S. bank holding company that is identified as a global systemically important BHC.

(b) Initial applicability. A global systemically important BHC shall be subject to the requirements of this subpart beginning on the later of:

(1) January 1, 2019; or

(2) 1095 days (three years) after the date on which the company becomes a global systemically important BHC.