A buyer sees one price before signing in, another after switching company location, and a third amount in an old quotation. B2B price acceptance starts by checking the buyer, company location, variant, quantity, market and transaction state. Identical numbers on every page do not necessarily mean that the procurement rules are correct. This article uses a hypothetical commercial-lighting brand supplying dealers with different light specifications and negotiated quotes. Quantities, configurations and workflows illustrate the rules; they do not represent a client case or a real merchandise quotation.