The treaty establishing the ORGANIZATION@1 -LRB- Benelux Economische Unie/Union Économique Benelux -RRB- was signed on February NUMBER@1 , NUMBER@2 and came into force in NUMBER@3 to promote the free movement of workers , capital , services , and goods in the region .

The treaty establishing the ORGANIZATION@1 -LRB- Benelux Economische Unie/Union Économique Benelux -RRB- was signed February NUMBER@1 , NUMBER@2 and came into force in NUMBER@3 to promote the free movement of workers , capital , services , and goods in the region .
