No solicitor or other person being a clerk of licensing justices, shall, by himself, his partner, or clerk, as solicitor or agent for any person, conduct or act in any application for or in respect of a licence or any other proceedings whatsoever under the Licensing Acts at any licensing or petty sessions held for the district for which, he is the clerk, except so far as relates to the preparation of notices or forms, and if any person contravenes this provision he shall be liable on summary conviction to a fine not exceeding one hundred pounds.