A Trust Document shall expire in the following cases: 1. Upon the end of the term agreed upon. 2. If it is impossible to proceed with the subject of Obligation of the Trust Document or to prove its being legal. 3. In the event of extinction of the financial obligation which the Trust Document is created to perform. 4. In the event that the Trustee, Representative and Sukukholders agree in writing to terminate the Trust Document. In such case, the Authority’s approval is deemed a condition precedent. 5. Other cases stated in the Trust Document.