In addition to the automatic blocking of invoices, you can also manually block invoices. You have two options when you enter the invoice:

• You can block an invoice by entering an R on the field Payment block on the vendor screen.
• You can block invoices that refer to a purchase order by selecting the field Man.block.reasn. When you post the invoice, an R is automatically set by the system in the field Payment block in the vendor item. Manually blocked items are allocated the blocking reason Manual block (Q).