Joseph McKenna, Chase v. United States (256 U.S. 1…
“ Appellant's contention is that the act is neither directory nor mandatory; it is permissive only and has been, it is said, so construed by the Secretary. There are cases, however, that decide that an officer 'authorized' is an officer commanded in a matter of public concern. [1] Besides, there are words of direction in the act and they are necessary to its purposes. But if it may be assumed there is a discretion in the Secretary he has exercised it against the appellant by denying his right to an allotment, presumably in reservation of the land for sale as provided in the act. ”
