The pledged asset must be a Shari'a-compliant asset of monetary value that can be lawfully owned, and is saleable, specifiable, deliverable and free of encumbrance. The pledge must be legally enforceable. The asset pledged may either be the underlying asset or any other eligible financial collateral owned by the customer (see Paragraph CA-4.7.25). The pledge of an asset owned by a third party is subject to the owner's consent to the pledge. Murabaha facilities secured by real estate are covered separately in Paragraphs CA-4.2.19 to CA-4.2.20.