Where the official receiver has ceased to be the trustee of a bankrupt's estate and a person is appointed in his stead, the official receiver shall have his release with effect from the following time, that is to say—
If the official receiver while he is the trustee gives notice to the Secretary of State that the administration of the bankrupt's estate in accordance with Chapter IV of this Part is for practical purposes complete, he shall have his release with effect from such time as the Secretary of State may determine.
A person other than the official receiver who has ceased to be the trustee shall have his release with effect from the following time, that is to say—
Where the person is removed from office by a decision of the bankrupt's creditors, any decision of the bankrupt's creditors as to whether the person should have his release must be made by a creditors' decision procedure.
Where a bankruptcy order is annulled, the trustee at the time of the annulment has his release with effect from such time as the court may determine.