2. When is the Bill onscreen form used to record a vendor transaction in QBO? It is used to record services for which a company has been billed for and agreed to pay later. It is used to record expenses a company pays for at the time it receives the product or service. It is used when a vendor gives a refund or reduction in a bill for what is owed to the vendor. It is used to record a credit or a reduction in the charges owed to the vendor.