The Board of Governors voted 4-1 in favor of the changes, with the dissenter saying they would weaken core safeguards.
The Federal Reserve and FDIC found shortcomings in the bank's plans for unwinding in bankruptcy without disrupting the broader financial system.
The firms now have until Oct. 1 to show they can survive a financial collapse without a taxpayer bailout.
On the fourth try, U.S. systemically important financial institutions aimed to be more realistic about how they would approach a bankruptcy.
