In the event of termination of the contract (any claims relating to damages for unfair dismissal, damages for noncompliance with the procedure, damages for loss suffered), the time-bar period is of twelve months and starts from the notification of the termination.
That said, there are exceptions notably in the event of discrimination or harassment or dispute of the final statement of sums due.
Furthermore, any action in regard to payment of salary is subject to a three-year time-bar.