QB Issue Resolution:
The only way you could do something like that would be to break each amount into it’s own invoice. Your customer can’t pay anything less or more than the invoice amount with QuickBooks Merchant Services.
Resolution for Issue 'Setting up multiple payment terms in an invoice.' available: Yes (Solved).
Source: Intuit Community forum.
Setting up multiple payment terms in an invoice.: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for Invoice
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Error Recovery for Invoice [Canada]
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