Progress tracking and billing process need to be described.
Need to describe progressive invoice schema in first bit.
Explain about retention, VAT, advance tracking included in it.
Advance Invoice → Payment Received
Progress report → Payment Application Issued → Payment Certificate received → Progressive invoice (arrow for advance offset link) → Credit Note
Progress Billing is a method used in project-based industries (especially construction and contracting) where payments are collected gradually, based on the percentage of work completed on-site. It’s a way to match actual progress with financial transactions, rather than billing everything upfront or after total completion.
Progress Billing is a payment approach commonly applied in project-driven sectors like construction and contracting. It enables gradual invoicing aligned with actual work completed, rather than charging the entire contract value upfront or upon project completion.