43A.  Where any institution holds itself out to be a registered charity or an institution of a public character when it is not a registered charity or an institution of a public character, as the case may be, such institution and any person acting or purporting to act on behalf of or for the benefit of the institution, unless he proves that such holding out by the institution was made without his knowledge or consent, shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $10,000 or to imprisonment for a term not exceeding 3 years or to both and, in the case of a continuing offence, to a further fine not exceeding $100 for every day or part thereof during which the offence continues after conviction.”.