With Paymash version 1.2.29 you have access to the partial cancellation feature. Using this function you can cancel individual items from a bill instead of the entire bill as before.

  1. Select the menu item "Bills" on the POS.

  2. Then go to paid invoices.

  3. Select the invoice for which you want to make a cancellation.

  4. Go to "Cancellation" and select the products you want to cancel by tapping on the blue box on the right.

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