The allegations in any complaint laid in relation to any alleged offence against the provisions of the next preceding section—

            (a)         that any packet, parcel, money, cheque, draft, order for the payment of money or valuable thing specified in such complaint has been forwarded or partly forwarded, or has been given or received for the purpose or intent that the same should be forwarded (as the case may be):

            (b)         that any person or persons, club, association, or company named in the complaint is the promoter, manager, or conductor (as the case may be) of any illegal lottery:

            (c)         that any lottery named or described in the complaint is an illegal lottery,

shall be accepted by the court as proof of the truth of such allegations, unless the contrary is proved.