A supplier must not accept payment or other consideration for goods or services when it knows or ought to know that it will not be able to supply them within the period it specified at or before payment, or within a reasonable period if none was specified (paragraph 24). Prepaid and deposit-based businesses, pre-orders and businesses in financial distress must match what they take to what they can deliver.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.