They, the cops, regarding having to give prior Notice. You can give it there and then. if they continue they've accepted your terms. It need not be on paper ! Contract are Expressed in Writing, by Signs (actions) or Viva Voce (by voice/orally) . Why do you think the last part is in not in English?
Printed copy · Anthology Volume 8, page 536Printed copy from The Tender For Law Anthology, Volume 8, page 536 (printed 13 June 2014). Added by this site; not part of the Facebook export.