| (1) | If an act or an omission constitutes an offence only when committed by a person possessing a particular qualification or quality, or vested with a particular authority or acting in a particular capacity, an accused charged with such an offence upon a charge alleging that he possessed such qualification or quality or was vested with such authority or was acting in such capacity, shall, at criminal proceedings, be deemed to have possessed such qualification or quality or to have been vested with such authority or to have been acting in such capacity at the time of the commission of the offence, unless such allegation is at any time during the criminal proceedings expressly denied by the accused or is disproved. |
