The phrase "a special authority" is correct and usable in written English.
It can be used when referring to a specific power or permission granted to an individual or organization, often in a formal or legal context.
Example: "The committee granted a special authority to the director to make decisions on behalf of the organization during the emergency."
Alternatives: "a unique power" or "an exceptional mandate".
Mr. Carter, though, speaks with a special authority.
Franklin's weighty words will be lent a special authority by the voice of Walter Cronkite.
Mr. Barak also said a "special authority" would have to be established to govern the Old City of Jerusalem.
Whether heard in a ritual or a recreational setting, the music of the pangongka'an ensemble carries a special authority, as the sounds of the instruments are widely understood to embody the voices and convey the messages of dead ancestors.
Reports from Saudi Arabia suggested that the Saudis, who claim a special authority on matters like Jerusalem because of their guardianship of the two holiest sites in Islam, Mecca and Medina, have also opposed any compromise on Jerusalem.
If the county keeps its end of the bargain, the state will provide $105 million in aid over the next five years and create a special authority to refinance county debt on more favorable terms.
Because the Michigan Legislature didn't confer upon the Michigan Supreme Court in that case any special authority of judicial review?
The mistake, then, is to believe that the educational credentials you get today give you any special authority on truth.
Having an official Netflix environment from your phone to your tablet to your desktop gives the ubiquitous movie service a sort of special authority.
So far, House Democrats have emerged as the main obstacle, as Republicans, with the aid of some Democrats, try to pass a bill giving Obama special authority to expedite international trade deals through Congress.
But, under normal circumstances, those who face excommunication can be absolved if their confessor has received special authority from a bishop to do so – an authority that not all priests have.
