Fed regulation that currently requires member banks to hold reserves against their net borrowings from their foreign branches over a 28-day averaging period. Reg M has also required member banks to hold reserves against Eurodollars lent by their foreign branches to domestic corporations for domestic purposes.
REGULATION M
Meaning of REGULATION M in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012