An approval, by an authority, generally one that makes something valid. Not sanctioned; not approved by a sanctioning body.

What does an unsanctioned mean?

: lacking effective or authoritative approval or consent : not sanctioned an unsanctioned boxing match …

What is an unsanctioned event?

UNSANCTIONED EVENT means an event which has not been approved by SASA. No insurance cover by SASA will be available at these events, nor will SASA be liable for any aspect of the event or its results. No official qualification or recognition will be awarded at such events. Sample 1.