The phrase "allowed to declare that" is correct and usable in written English.
You can use it when discussing permission or authority to make a statement or assertion.
Example: "As the spokesperson for the organization, I am allowed to declare that we will be implementing new policies next month."
Alternatives: "permitted to state that" or "authorized to announce that".
Fareed Zakaria, one of the journalists present, asked if Macron was suggesting that Trump should be allowed to "declare victory"—so that he could feel that doing something for the planet was a win for him.
Since last year, thoroughbred breeders and owners have been allowed to declare on a horse's papers that the animal is not intended for human consumption, so therefore cannot be slaughtered.
Big surpluses in Mr Brown's early years allowed him to declare that he had met this rule over the ten years that ended in 2006-07, theugh the current budget had by then long been in deficit.
It allows students to say they are at a senior college and allows CUNY to declare that it has raised standards.
Peter H. Schuck, a Yale University law professor, said the Supreme Court might allow Congress to declare that joining Al Qaeda created a presumption that an American intended to relinquish his citizenship, so long as the program allowed the person to rebut that view.
It could also allow Russians to declare that the treaty itself remained unchanged.
DAVID W. BECK Mason City, Iowa, June 12 , 2011To the Editor: Perhaps the fact that patients of Dr. Karen S. Sibert, an anesthesiologist, are mostly asleep when they are under her care allows her to declare that a full-time schedule of 40 or more hours a week is manageable for a doctor.
Still, her meditation on her previous crisis is never less than interesting, and she vents her own frustration in allowing Tarlochan to declare that she'd rather give Nick Griffin of the BNP a blow job than make any further artistic compromises.
Our experiences allow us to declare that although we try to do our best in controlling most problems following wide resection by required reconstruction procedures, we cannot prevent many other problems to occur.
Then (Vert v_{n}-vVert _{[beta,beta +h]}to 0) as (nto +infty ) and similar arguments to the one above for (7), allow us to declare that there exists a positive constant (c_{h}) depending on h such that Vert Kv_{n} - KvVert _{C[beta, beta + h]} leq c_{h} Vert v_{n}-v Vert _{C[ beta, beta +h]}.
