Although these considerations constitute a challenge for the employer, it is important to recognize that there are currently a number of multilateral agreements (EU Regulation 883/2004, Agreement on Social Security of the Ibero-American Organization, etc.) or bilateral aggregation agreements (social security agreements between two countries) in order to dispel fears related to contributions and entitlements to benefits, thus facilitating the employer`s task is what will happen. This article discusses the scope and impact of such agreements in selected countries, as well as the potential social security costs associated with posting a worker to temporary international operations. Canada has international social security agreements with more than 50 countries that offer comparable pension plans. . . .