Enacted by statute.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (adjective) (adj.) (adjective)
Enacted or imposed by statute, or law; depending on statute, or law, for its authority.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)
Enacted by statute: depending on statute for its authority.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adjective) (adj.) (adjective)

Usage examples:

3 The actions which have hitherto been mentioned, and others which resemble them, are either of statutory origin, or at any rate belong to the civil law.
- The Institutes of Justinian by Caesar Flavius Justinian
" Gladstone spoke of the Irish Parliament which he proposed to set up as 'practically independent in the exercise of its statutory functions.
- John Redmond's Last Years by Stephen Gwynn
For what we must deem by much the better and more important battle of the two- that for a statutory demand on the part of the State that the Bible and Shorter Catechism should be taught in the national schools- we are afraid the time is past; but most happy would we be to find ourselves mistaken.
- Leading Articles on Various Subjects by Hugh Miller