Such a trust can be revocable or irrevocable. A deed of variation may be revocable or irrevocable. HLTC serves as a trustee for numerous types of revocable and irrevocable trusts. An SNT may be revocable by a third-party settlor under limited circumstances. The revocable output may be revoked by Bob if Bob knows the revocation key. Accreditation may be provisional or permanent, and is revocable at the sole discretion of UNCHE. Prometheus is owned by Diller and his wife through a revocable trust. Firstly, there could be an implicit term that the agreement is revocable. Rep. 597 (1609), that agreements to arbitrate were revocable by either party. Many appointments are revocable at will; others require a judicial trial or other formalities. Concordats are revocable when they redound to the serious injury of the Church. Escheats are performed on a revocable basis. The rector of each academy is a revocable nominee of the Ministry of Education. Unlike the OGL, the d20STL is revocable and is controlled by Wizards of the Coast. The overarching theme was state power where the iqta was revocable and uninheritable.