No person shall use for any purpose a hoarding or similar structure that is in, or adjoins, any street unless it is securely fixed to the satisfaction of the council who, in relation to that street, are the appropriate authority for the purposes of section 172 above.
If a person contravenes this section he is guilty of an offence and liable to a fine not exceeding level 1 on the standard scale; and if the offence is continued after conviction he is guilty of a further offence and liable to a fine not exceeding £1 for each day on which the offence is so continued.