Declaration concerning the prohibition of the use of bullets which can easily expand or change their form inside the human body such as bullets with a hard covering which does not completely cover the core, or containing indentations
Agreement between the Kingdom of Belgium, the Kingdom of the Netherlands and the Grand Duchy of Luxembourg concerning the Integration of Air Security to Respond to Threats Posed by Non-Military (Renegade) Aircraft
Convention between the Kingdom of the Netherlands, Belgium, Spain, France, Italy, Luxembourg, Portugal, Switzerland, Sweden and Norway regulating certain points of private international law
Forty Fourth Additional Protocol to the Protocol between Belgium, the Netherlands and Luxembourg establishing a new import tariff, signed in Brussels on 25 July 1958