The phrase "are only authorised" is correct and usable in written English.
It can be used when specifying that only certain individuals or entities have permission to do something.
Example: "Employees are only authorised to access confidential files if they have the necessary clearance."
Alternatives: "are solely permitted" or "are exclusively allowed".
However, Britain's spin on the Kickstarter model was only authorised by the Financial Services Authority in May, so it's very early days.
"We do not use tear gas without a good reason and use of tear gas has to be authorised and it is only authorised when it is necessary," Steve Barbet, the police spokesman for the local prefect in Calais, said last week.
Steve Barbet, the police spokesman for the local prefect in Calais, said: "We do not use teargas without a good reason and use of teargas has to be authorised and it is only authorised when it is necessary".
She stated she was a senior investment officer at the fund management firm Invesco Perpetual for 10 years, though she was only authorised as an investment manager for a three-month period.
If a card is stolen, the thief will not be able to use it as a payment is only authorised if the user's fingerprint matches the data on the card at the point of sale.
The Electoral Commission is only authorised to examine national spending, but the police are responsible for examining whether spending on local campaigns is within legal limits of between about £11,000 and £16,000 depending on the size of the constituency.
With no policy on stopping the spread of Aids – the first schemes for exchanging syringes were only authorised in 1991, with replacement substances following three years later – the Aids virus went on taking a fearful toll.
Stating she was a senior investment officer at fund management firm Invesco Perpetual for 10 years, though she was only authorised as an investment manager for a three-month period.
