Vertaling van "then governing communist party eight months prior to independence were denied " (Engels → Frans) :

In the future Member State of Latvia, people who had failed to resign their membership of the then governing Communist Party eight months prior to independence were denied any political rights.
Dans le futur État membre de Lettonie, les personnes n’ayant réussi à abandonner leur affiliation au parti communiste en place huit mois avant l’indépendance se sont vu refuser tout droit politique.