By wisdomwaveshub.com / September 26, 2025 Table of Contents Toggle 1) The monthly rhythm: application ➜ assessment ➜ certificate ➜ invoice ➜ payment ⏱️2) The core metric: Price for Service Provided to Date (PFSPTD) 🧮3) The performance lever: Performance Table 🎯4) Indexation: Price Adjustment Factor (PAF) 📈5) Currency and forecasting details 💱🔭6) Corrections, interest & tax 🧾7) The final assessment after the Service Period 🧮🏁8) Worked example (GBP) — one monthly assessment during the Service Period9) What usually trips teams up on live jobs—and how we handle it 🧰10) Quick checklist ✅NEC4 DBO · Service-Period Payment Assistant 💷 Recent Visitors: 186 NEC4 DBO Payment made simple: service-period flow, PFSPTD, PAF, KPI bonuses, Y(UK)2 dates—plus a paste-ready calculator to build the amount due fast. Membership Required You must be a member to access this content. View Membership Levels Already a member? Log in here