"I have pleasure in confirming our offer of employment as Court Information Support Co-Ordinator, as a Sessional Worker with our Rainbow Project at Worcester, with the effect from16 February 1999 . This offer is subject to receipt of satisfactory references, which are now being taken up, and to a satisfactory police check which I understand is being done locally to you by the Probation Service. Once we have received satisfactory clearances (I emphasise these last 2 words) we shall be in a position to send you a formal sessional contract of employment. We look forward to welcoming you to RPS Rainer"