Price Adjustment for Inflation
The Prices are adjusted for inflation using the Price Adjustment Factor, calculated from the proportions and indices stated in the Contract Data.
The Price Adjustment Factor is based on the indices and proportions stated in the Contract Data, applied to the Prices.
The proportions used to calculate the factor are stated in the Contract Data — check them carefully.
📖 This summary is for reference. For the full, authoritative NEC4 contract text — including all amendments, guidance notes, and flow charts — visit the official NEC website.
Purchase Official NEC4 →⚠️ This commentary is for reference only. Always refer to the full NEC4 contract text and seek professional legal or contractual advice for your specific project.