Section 21
SEC. 21. If at any time after the approval of the application and before the patent is issued, the applicant shall prove to the satisfaction of the Director of Lands that he has complied with all the requirements of the law, but can not continue with his homestead, through no fault of his own, and there is a bona fide purchaser for the rights and improvements of the applicant on the land, and that the conveyance is not made for purposes of speculation, then the applicant, with the previous approval of the Secretary, of Agriculture and Natural Resources, may transfer his rights to the land and improvements to any person legally, qualified to apply for a homestead, and immediately after such transfer, the purchaser shall file a homestead application to the land so acquired and shall succeed the original homesteader in his rights and obligations beginning with the date of the approval of said application of the purchaser. Any person who has so transferred his rights may once again apply for new a new homestead. Every transfer made without the previous approval of the Secretary of Agriculture and Natural Resources shall be null and void and shall result in the can cellation of the entry and the refusal of the patent.