A fee or surcharge added to a sale
The customer asks: A surcharge added to the sale because of the payment method or a condition
- Verdict: Not possible
- Door: None · area: Prices and promotions › Fees and add-ons
- Recipe: none yet
- Sample: none yet
- Checked: carried 2026-10-16 · not re-run
What you build
Nothing: money may never change after the cashier has seen the sale (rule 1, chapter 3).
Limits
- Instead: put the fee on the sale as an item the cashier adds before payment; a check before payment can refuse the sale, with your sentence, until that line is there (not run; not yet in the guide).
Tell the customer
A fee cannot be added by the system after the sale is shown; it can be a line the cashier adds before payment.
What next
- Instead: put the fee on the sale as an item the cashier adds before payment; a check before payment can refuse the sale, with your sentence, until that line is there (not run; not yet in the guide).
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