The phrase "constitutes an offense" is correct and can be used in written English.
It is commonly used in legal or formal contexts to describe an action or behavior that is considered a violation or crime. Example: Driving under the influence of alcohol constitutes an offense and can result in fines and license suspension.
Though the levels of the drug found in his urine were "very small," according to the cycling union, doping rules say that any amount constitutes an offense.
(a) An attempt to export from the United States any defense articles in violation of the provisions of this subchapter constitutes an offense punishable under section 401 of title 22 of the United States Code.
He also made one of his strongest defenses to date of press freedom, calling on the judiciary to resist political pressure and to define clearly what constitutes an offense against the system by writers and journalists.
We can think of no principled reason to distinguish, in this context, between what constitutes an offense for purposes of the Sixth Amendments jury-trial guarantee and what constitutes an offence for purposes of the Fifth Amendments Double Jeopardy Clause.
Apart from offenses of a peculiarly military nature, such as mutiny, insubordination, desertion, and misconduct in action or in performance of service duties, when an act committed by a soldier constitutes an offense in the civil code, it will frequently constitute an offense of which military law takes cognizance.
Police in Britain, Belgium and the Netherlands are investigating whether virtual rape in Second Life constitutes an offense, and German Police are investigating pedophilia on a service where virtual "age play" and bestiality are widespread.
and specified the following grounds: (1) The indictment fails to set forth facts sufficient to constitute an offense.
The language of the second and third clauses of Section 3 makes clear that two major elements are necessary to constitute an offense under these clauses.
The complaint, which in substance is recited in the warrant, was verified merely on information and belief and does not state facts sufficient to constitute an offense.
Two or more defendants may be charged in the same indictment or information if they are alleged to have participated in the same act or transaction or in the same series of acts or transactions constituting an offense or offenses.
But, even in those cases where the offense was egregious and retribution automatic, a paradox snaked its way around the duelling codes: by classifying what constituted an offense, they multiplied the opportunities for men to kill each other.
