Translate the following English sentence to French:
"The goal of the Commission' s notification of June 1999, on which the Andersson report is based, is to reinforce cooperation between the Member States and the EU in terms of social protection."
L'objectif de la communication de la Commission de juin 1999, qui a servi de base au rapport Andersson, est d'approfondir la collaboration entre les États membres et l'UE sur le plan de la protection sociale.