Enter the 'Supplier's Reference' in the Invoice Ref field (Optional). Note: if there is an existing Purchase Invoice with the same Invoice Ref for the same supplier then a dialog will be displayed asking if the user wishes to continue as this would indicate that a duplicate Purchase Invoice has been created.
Enter the delivery amount in the Delivery field (Optional).
Check the 'Qty', 'Unit Price' and 'Tax' fields match the invoice from the supplier, amend as required.
Check the 'Invoice Total' matches the paperwork sent by the supplier. Note: if the Net Total or VAT Total are not correct:
Untick the Auto Calculate checkbox.
Use either the or the to adjust the net and tax values to match the supplier's invoice.
Amend the 'Invoice Date' where appropriate.
When the total is correct, tick the 'Post Invoice' checkbox.