There are multiple definitions - click on the translation that matches your context.

arbitrażowy

przymiotnik

  • polubowny, rozjemczy

full

arbitral

adjective

Definitions of arbitral

relating to or resulting from the use of an arbitrator (=a neutral person chosen by the parties to a dispute or by a court to hear the parties' claims and render a decision)

A party may petition the court to declare the arbitral agreement void.