Notwithstanding subsections (a) and (b) and notwithstanding the capital classifications of the regulated entities, the Director may, by regulations issued under section
4526 of this title, establish a minimum capital level for the enterprises, for the Federal Home Loan Banks, or for both the enterprises and the banks, that is higher than the level specified in subsection (a) for the enterprises or the level specified in subsection (b) for the Federal Home Loan Banks, to the extent needed to ensure that the regulated entities operate in a safe and sound manner.