Section 63
SEC. 63. Whenever it is decided that lands covered by this chapter are not needed for public purposes, the Director of Lands shall ask the Secretary of Agriculture and Commerce for authority to dispose of the same. Upon receipt of such authority, the Director of Lands shall give notice by public advertisement in the same manner as in the case of leases or sales of agricultural public land, that the Government will lease or sell, as the case may be, the lots or blocks specified in the advertisement, for the purpose stated in the notice and subject to the conditions specified in this chapter.