No disinterment will be allowed without a written permit from the registrar of the district in which the city cemeteries are located, and without the written permission of the city and of the lot owner or his heirs or assignees and of the nearest kin to the deceased, and all such disinterments shall be under the direction and supervision of the cemetery sexton, except that disinterments will be allowed when made pursuant to an order of a court of record, in which case receipts for the remains must be given.