5If on the expiration of the relevant period under paragraph 3 above for the giving of notice of claim in respect of any thing no such notice has been given to the Commissioners, or if, in the case of any such notice given, any requirement of paragraph 4 above is not complied with, the thing in question shall be deemed to have been duly condemned as forfeited.
6Where notice of claim in respect of any thing is duly given in accordance with paragraphs 3 and 4 above, the Commissioners shall take proceedings for the condemnation of that thing by the court, and if the court finds that the thing was at the time of seizure liable to forfeiture the court shall condemn it as forfeited.
7Where any thing is in accordance with either of paragraphs 5 or 6 above condemned or deemed to have been condemned as forfeited, then, without prejudice to any delivery up or sale of the thing by the Commissioners under paragraph 16 below, the forfeiture shall have effect as from the date when the liability to forfeiture arose.