When any owner of a farm, the name of which has been recorded as provided in section 47-19-47, the owner's heirs, executors, or administrators, transfers by deed or otherwise, the whole of such farm, such transfer may include the registered name thereof. If it is desired to transfer only a portion of such farm, the registered name thereof shall not be transferred to the purchaser unless so stated in the deed of conveyance.
N.D.C.C. § 47-19-48