# Creating an AIA Bill

An AIA bill (also called a pay application) is how you request payment from your customer for work completed during a billing period. ProForge Core builds the bill from your project data so you do not have to start from scratch each time.

## How It Works

When you create a new AIA bill, the system pulls in the line items from your project and carries forward any amounts from previous bills. You just need to update the completion percentage or dollar amount for each line item for the current period. The system calculates the totals, applies retainage, and produces a bill you can print or export.

## Steps

1. Open the **Project** you want to bill for.
2. Click **Create AIA Bill** (or go to **AIA Billing** and click **New**).
3. The system fills in the **Application Number** automatically (1, 2, 3, etc.). Verify the **Billing Period** dates are correct.
4. Review the **Continuation Sheet** -- each line item shows the scheduled value and what has been billed in previous periods.
5. For each line item, enter either:
   * The **Completion Percentage** (the system calculates the dollar amount), or
   * The **Dollar Amount Completed This Period** (the system calculates the percentage).
6. If materials have been delivered but not yet installed, enter the value in the **Materials Stored** column.
7. Review the **Retainage** percentage. By default, this carries forward from your project settings. You can adjust it per line item if needed.
8. Check the **Summary** at the top of the page -- it shows the total earned, retainage held, and the net amount due.
9. Click **Save** to save a draft, or **Submit** to finalize the bill.

After submitting, you can print or export the G702 form and continuation sheet.

![aia billing list](/files/OzuN17h1hth23bVLhvuG)

![create aia bill basics (step 1)](/files/BKZQmm9pHDlJwtqNHJj6)

![create aia bill submit (step 2)](/files/BkUXXarzQctIayj807j1)

## Related Pages

* [Continuation Sheets](/project-management/proforge-core/aia-billing/continuation-sheets.md) -- understand the line item details
* [Retainage](/project-management/proforge-core/aia-billing/retainage.md) -- how retainage is calculated and tracked
* [Change Orders](/project-management/proforge-core/aia-billing/change-orders.md) -- adding scope changes to your bill
* [Printing AIA Forms](/project-management/proforge-core/aia-billing/printing-aia-forms.md) -- generate PDFs to send to your customer


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