|(a) An application for renewal of an existing easement or lease shall utilize the land office contract form and rate schedule, and adhere to rules in effect at the time renewal is requested. The application should also include the existing miscellaneous easement number and the date of expiration of the easement. (b) Assignment may be made of any interest rights granted in whole or in part subject to the written approval of the commissioner. A fee payable to the General Land Office must accompany the application for approval of an assignment. No assignment shall be effective to transfer any rights until approved by the commissioner, the grantee, and the assignee. (c) Failure to comply with these rules subjects the easement or lease to termination by the commissioner.