nonstatutory

adjective

1. of, relating to, or of the nature of a statute.
2. prescribed or authorized by statute.
3. conforming to statute.
4. (of an offense) recognized by statute; legally punishable.

adjective

1. of, relating to, or having the nature of a statute
2. prescribed or authorized by statute
3. (of an offence)
   1. recognized by statute
   2. subject to a punishment or penalty prescribed by statute

adj.“pertaining to statues,” 1717, from statute + -ory. Statutory rape attested from 1898; in U.S., “sexual intercourse with a female below the legal age of consent, whether forced or not.”