b MOD and Modus have agreed detailed performance mechanisms for over 20 services, listed at Appendix 2, with points for poor performance being awarded on the basis of objective criteria and a related scale of financial deductions. Modus' recovery through the unitary charge of up to 20 per cent of its total facility-management costs is at risk each year for poor service delivery. Examples of objective criteria and the methodology for determining the level of deductions are at Appendix 3.