State Ex Rel. Casey v. Cull

The question presented in this case is: Where one promoted to sergeant of police in a city was detailed to the detective bureau of such city for a number of years and, pursuant to an ordinance of the city, was paid a salary greater than that of lieutenant of police not so detailed, is a duty enjoined by law upon the director of public safety to appoint such sergeant as lieutenant of police when the city council eliminates such a differential in salary and provides, in effect, that no sergeant wherever detailed or stationed shall receive a salary greater than that of a lieutenant?

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