It could be a mess otherwise.
So you’re making a distinction between basic procedural issues and more ethical ones as in this case?
I was just thinking local law would have privilege, as for example for the Belgian riders breaking their contract. But according to the "Cycle Counsel" website, both options exist:
"For riders in UCI Men’s WorldTeams and ProTeams a rider or team may only submit such disputes to the Arbitral Board, the arbitral tribunal of the rider’s National Federation, the Court of Arbitration for Sport (CAS), or the civil courts of the rider’s place of residence (without prejudice to the compulsory jurisdiction of ordinary courts)."
The UCI Arbitral Board serves as the primary legal forum for disputes between cyclists and teams regarding employment contracts. This article provides a guide aimed at riders on the key procedural …
cyclecounsel.com
from the UAB, next step would be CAS then:
"Finally, it is worth noting that a decision of the Arbitral Board is not necessarily the end of the road for a dispute. The UCI Regulations allow any party dissatisfied with an Arbitral Board ruling to appeal to the CAS."
No idea on what grounds exactly the UAB usually decides, or who even brought it up there. I guess the team?