A/P reserve invoices enable you to create relevant posting in the accounting system only and do not affect inventory and inventory values. You use A/P reserve invoices to document an A/P invoice you receive from a vendor before goods arrive.
After you receive the goods, you create a goods receipt PO based on the A/P reserve invoice to update inventory quantities and inventory values.
SAP Business One enables you to create an A/P reserve invoice with a zero amount before you receive no-charge items, for example, items that are part of a promotion or under the coverage of a service contract.
The A/P reserve invoice is relevant for items only and is not available for services.
You close an A/P reserve invoice by creating an outgoing payment.