NEC4 · ECC Option X1
Option X1
Price adjustment for inflation, used with Options A to D. Payments follow published price indices from the base date through the Price Adjustment Factor.
Also written as
- X1
- Price Adjustment Factor
- PAF
- base date
- price adjustment
Where you meet it
- Module 17: Secondary Options and UK projectsPractitioner Course
- Module 9: Inflation and the target: Option X1Payment and Defined Cost
- Module 5: X Options and Z clauses: what to add and what to leave outContract Preparation