The world's leading financial centers under the patronage of a single authority.
He suggests the creation of a single multinational authority to control the disputed water.
There is no single ultimate authority on the matter.
More recently, it has also become the single authority in the regulation of biomedical research.
"The power of the purse is probably the single most important authority."
Even within a single local authority variations are likely to be considerable.
"Can you not see that a single, unified authority is needed to bring order to this tragic state of affairs?"
"Physical environment services" should be in the hands of a single authority.
In effect, the bank had no real home - no single authority keeping an eye on the whole show.
They felt the area was too large to be administered by a single authority.