The phrase "authorizing only one" is correct and usable in written English.
It can be used in contexts where permission or approval is being granted to a single individual or entity, often in legal or formal documents.
Example: "The committee decided on authorizing only one representative to speak on behalf of the group during the meeting."
Alternatives: "granting permission to just one" or "allowing only one".
The U.S.O.C. has authorized only one company, known as both CoSport and Jet Set Sports, to sell tickets in the United States.
Judge Cleland said Congress had authorized only one method of enforcing the federal Medicaid law: The secretary of health and human services may withhold federal money from states that do not meet their responsibilities.
City planning was foreign to burghers in the 17th century, and roads were haphazardly authorized; only a few important ones to outlying agricultural communities were maintained, and it was not until 1798 that the city appointed a commissioner of streets.
The Government Communications Security Bureau is authorized only to spy on foreigners.
The Democratic National Committee has authorized only six.
The Franciscans were authorized only to preach penance.
"Blackhawk had single-pilot authorization meaning only one individual was authorized to fly the plane for that company," Ms. Bergen said.
In the end, I was authorized to interview only one other person: Hossein Shariatmadari, an adviser to Khamenei, and the editor-in-chief of Kayhan, the daily newspaper that speaks for Iran's clerical establishment.
Follow-up care is critical in mammography, they note, and because mobile units often are only authorized to take only one view of each breast, if an abnormality is seen and multiple views would be helpful for a diagnosis, a woman must take on that responsibility herself.
Congress had overridden a veto by Mr. Bush on only one other bill, legislation authorizing $23 billion in water projects that was sent to the president in November.
