The resignation, termination of employment or participation, or separation of an institution-affiliated party (within the meaning of section
1813
(u) of this title) with respect to a foreign bank, or any office or subsidiary of a foreign bank (including a separation caused by the termination of a location in the United States), shall not affect the jurisdiction or authority of the Board or the Comptroller of the Currency to issue any notice or to proceed under this section against any such party, if such notice is served before the end of the 6-year period beginning on the date such party ceased to be an institution-affiliated party with respect to such foreign bank or such office or subsidiary of a foreign bank (whether such date occurs on, before, or after December 19, 1991).