Does AS9100 address handling of product that has been paid for but not yet shipped? We have had customers who pay in advance but ask that we not ship the product until they request it. We might keep this paid made-to-order product for them for many months or years. Is it considered "customer property"? AS9100 8.5.3 Property Belonging to Customers or External Providers doesn't apply because this product is not provided by the customer. Perhaps only 8.5.2 Identification and Traceability: we're only required to identify the product as theirs?