A Progressive Invoice is used to bill the client for work completed so far, based on site progress, milestones, or approved certified quantities. It allows for partial payments during the project instead of billing everything at the end. It also includes any advances, deductions, or retention as per the contract..
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Company Name - The company for to whom the invoice is being created
Contract - The contract linked to the invoice
Entity Name - The entity issuing the invoice
Basis Document - The document on which the invoice is based
Project - The project related to the invoice
- Invoice Type - Indicates whether the invoice is Progressive, Advance, Milestone, or Standard. Set automatically based on the contract. This setup ensures that invoicing aligns with the contract’s agreed terms, including how retention, VAT on retention, and advance payments are handled.
- Auto Advance Offset - When this option is enabled, the system automatically deducts a portion of the advance payment from the invoice. It works by checking how much of the project is being billed and applies the same percentage to the advance, so the correct amount is deducted without manual intervention.
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An invoice with the Advance Invoice type is a bill sent to ask for payment before the work or delivery happens. It shows the amount to be paid as an advance and calculates related VAT values.
The typical process for an advance invoice is - Payment Application → Payment Certificate → Invoice for Advance → Payment Received.
However, issuing an advance invoice is not limited to this sequence and can be created without an associated application or certificate. Such invoices are treated as prepayments and can be subsequently offset against progressive invoices.
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Offset will only be allowed if the document amount is received; otherwise, the following error will be shown.
This prepayment can be filled in automatically or carried over from other documents to the progressive invoice if the invoice is generated from those documents, provided that those documents also had the prepayment added using the offset option.
Print forms
- Tax Invoice Progressive provides a detailed view of the invoice, displaying each item or service, its quantity, price, and applicable tax. It's useful when a full breakdown is needed.
- The Tax Invoice Progressive (Summary) displays only the totals, without line-by-line details. It's helpful when a quick summary is required.





