Billing an agreed extra
A supplier delivered more than the purchase order specified, at the buyer request, after the invoice went out.
- Against invoice
- INV-0233
- Reason
- 8 additional units, approved by email
- Debit
- 12,800
- GST
- 18%
Result. A debit note adding 15,104 including tax to the original invoice, documented as a separate instrument.