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  • eceive advance amount)
  • Table: how to fill, columns description.
  • Actual advance offset. 

A Progressive Invoice is used to bill customers based on actual project progress, such as completed milestones, percentage of work done, or certified quantities. Its purpose is to align billing with the value of work completed, ensuring accurate, stage-wise invoicing in long-term or contract-based projects. It also accounts for advances, deductions, and retention as per contract terms.

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  • Item/content: Describes the specific item being billed, such as a fire pump, gate valve, or pipe

  • Estimated Quantity, Amount, and Discount: Displays the planned quantity and agreed unit price as per the contract. Also includes any item-level discount applied before calculating VAT and retention.

  • Certified Quantity, Amount, and Percentage: Indicates the quantity that has been reviewed and approved for invoicing by the consultant or client, based on the issued Payment Certificate. Also shows the certified value expressed as a percentage of the estimated amount.

  • Invoiced (Previous): Displays what has already been invoiced in prior billing cycles

  • Current Percentage: Indicates the progress of the current billing cycle based on the certified quantity

  • Cumulative Percentage: Reflects total progress to date, combining current and past invoiced amounts

  • Warranty Duration: States the warranty period after installation, where applicable (in months or years)

  • Unit of Measure (UOM): Identifies the measurement unit used, such as pieces or meters, based on the item type

deductions

Contract Assets

Payment terms 

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Summary linked table.

This section shows a combined view based on multiple validations:

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