INVOICE GUIDES
Partial Payments and Overpayments: Show the Correct Balance
A partial payment reduces the unpaid balance of an existing invoice. It does not reduce the price of the work. To show the correct balance, match receipts to the document first, then calculate the total amount received against it.
The ToolNivo Invoice Generator has an amount-paid field and shows an overpayment separately when receipts exceed the total. These are presentation fields, not a connected payment ledger, credit-note function or refund service.
Identify the payment before allocating it
Check payer, amount, currency, date and reference against the invoice. If a customer has three outstanding invoices and sends one transfer, obtain or confirm the intended allocation rather than assigning it to whichever document is open.
Keep the payment record outside the builder. Useful fields include transaction reference, amount received, invoice number and allocation amount. A bank transfer notification may precede receipt; use your verified payment status consistently. Do not count a scheduled or promised transfer as money already paid.
Calculate a cumulative amount-paid figure
Consider an illustrative invoice total of USD 875. The customer makes a first payment of USD 200 and a second of USD 125, both allocated to this invoice. The cumulative amount paid is USD 325, leaving USD 550 due. Entering only the latest USD 125 would incorrectly show USD 750 due.
The arithmetic is USD 875 minus USD 325 equals USD 550. Keep the original invoice total intact when recording payments. Do not change the line-item price to USD 550, because that would describe a smaller sale instead of a partially settled sale.
Treat an overpayment as a separate decision
If receipts allocated to the same USD 875 invoice total USD 900, the excess is USD 25. ToolNivo displays a zero amount due and an overpayment credit rather than a negative balance. That display does not issue a formal credit note or send a refund.
Check whether the extra payment belongs to another invoice before deciding what to do with it. If it is a genuine excess, agree and document the appropriate handling with the customer through your accounting process. A refund, a future payment allocation and a reduction in the sale price are different events.
Investigate short receipts without inventing a discount
A customer may report paying USD 875 while your account receives USD 860. First investigate whether the difference is a payment-provider fee, currency conversion, an incomplete transfer or a disputed deduction. The amount that settles the invoice depends on the underlying arrangement and accounting treatment; it cannot be inferred from one bank balance.
Do not automatically turn the USD 15 difference into a discount or late fee. Keep the invoice currency and the transaction currency visible in your records. Use the international invoice currency checklist when settlement crosses currencies.
Keep updated copies understandable
When preparing a balance copy, retain the original issued invoice and note the date through which payments have been reconciled. For example: “Payment position reviewed through 18 March; receipts R-21 and R-24 allocated.” Preserve your normal document identity and version policy so the buyer does not mistake a balance copy for a new bill.
ToolNivo cannot reopen a saved PDF into editable fields or retrieve a previous payment history. Work from your external records, check the regenerated document against the original and download the finished copy. For separately billed stages, read deposit and final invoices before applying a prior payment again.
If the price itself needs correction, follow the invoice correction workflow. Payment allocation should not conceal an actual billing error.
Frequently asked questions
Does amount paid change the invoice total?
It changes the outstanding balance, not the underlying price or total charge.
Is an overpayment credit a credit note?
No. ToolNivo’s display is an arithmetic summary. It does not create a formal accounting credit note.
Does ToolNivo confirm that payment arrived?
No. Verify receipt and allocation using your bank or payment records before entering the amount.