Setup
The Instalment Payments solution allows you to split customer payments across multiple scheduled instalments, providing flexible payment options while maintaining accurate financial tracking.
Prerequisites
Before setting up instalment schedules, ensure you have:
- Appropriate permissions to modify Payment Methods and create Instalment Schedules
- G/L accounts configured for instalment due amounts
- Payment terms defined for instalment payments
The Instalment Payments app initially works in a sandbox environment without a subscription. However, you must start a trial to use it in a production environment or after 30 days. For more information:
Setting up an Instalment Schedule Template
Search for Instalment Schedule Templates to create or edit Instalment Schedule Templates.


Header Fields
| Field Name | Purpose |
|---|---|
| Code | Give the Instalment Schedule a meaningful name so you can recognise it when selecting it in the system. |
| Description | A short description of the Instalment Schedule template. |
| Rounding Goes To | This can be set as Last Line or First Line. This determines which ledger entry receives any remaining amount from rounding calculations (e.g., if splitting $100 into three equal parts, the extra cent goes to the selected line). |
| Defer GST | When enabled, GST will be deferred and apportioned across each instalment payment rather than being applied to the first instalment. |
| Instalments Due Account | Specifies the G/L account for this payment method, allowing different revenue streams to post to different accounts. |
| Instalments Payment Terms | Determines the payment terms to apply to the instalments. |
Line Fields
| Field Name | Purpose |
|---|---|
| Instalment Code | For display purposes only. Shows the code from the Instalment Header. |
| Instalment No. | Specify the sequential instalment number (1, 2, 3, etc.). |
| Instalment Date Formula | Enter a date formula to calculate when this instalment is due. Examples: 30D (30 days), 1M (1 month), 2W (2 weeks). This calculates the posting date for each instalment. |
| Instalment Percentage | Define the percentage of the total amount due for this instalment. Note: All line percentages must total exactly 100%. |
The system will validate that all instalment percentages add up to 100% before allowing you to use the template.
Setting up Payment Methods for Instalments
Search for Payment Methods and configure the following fields on the payment method you want to use for instalments:

| Field Name | Purpose |
|---|---|
| Instalment Payment Type | Specifies that this Payment Method is used for Instalment Payments. |
| Instalments Payment Method | Specifies the default payment method applied to individual instalments on sales documents. |
| Defer GST | When enabled, GST will be deferred and apportioned across each instalment payment. |
| Instalments Due Account | Specifies the G/L account for this payment method, allowing different revenue streams to post to different accounts. |
| No. of Instalments | Specifies the default number of instalments applied to sales documents when selecting this payment method. |
| Instalments Posting Date Calculation | Specifies the date formula for calculating when the first instalment is due (e.g., 30D for 30 days from invoice date). |
| Instalments Period Formula | Specifies how often subsequent instalments are due (e.g., 1M for monthly, 30D for every 30 days). This calculates posting dates for instalments after the first one. |
| Instalments Payment Terms | Determines the payment terms for individual instalments. |
Next Steps
After configuring your instalment schedules and payment methods:
- Test the setup with a sample sales order
- Verify that instalments are created correctly
- Confirm that GST handling meets your business requirements
- Train users on how to apply instalment payment methods to sales documents
See Also
- Processing - Create and manage instalment payments
- Pricing - Subscription and licensing information