Availability Deductions and Service Credits (see also Performance Deductions) meaning

In practice, this describes contractual price reductions applied when a facility or service fails to meet agreed standards. Availability Deductions reduce the Unitary Charge where a facility (or defined area/system) is Unavailable under the Output Specification and Availability Criteria. Service Credits are monetary credits (or abatements) for failures against service levels or KPIs, commonly in facilities management and outsourcing. Together (see also Performance Deductions), they form part of the payment mechanism in PPP/PFI, FM and SLA-based contracts. The payment mechanism typically sets formulas, weightings by criticality and time bands, cure/rectification periods, caps, and thresholds that can trigger escalation or termination for persistent breach. Permitted Unavailability, planned maintenance, Relief Events and force majeure usually suspend or limit deductions. This is a descriptive contracting term rather than one defined in legislation. Usage is broadly consistent across England & Wales, Scotland, Northern Ireland and Ireland, reflecting HM Treasury PFI/PF2 standardisation and Irish NDFA PPP forms. Enforceability depends on penalty-law principles: the drafting should operate as a genuine price adjustment or liquidated damages regime, not an unlawful penalty. Search terms: Unitary Charge, payment mechanism, SLA, KPIs, PPP/PFI, abatement, liquidated damages.