Workers and employers currently save about $800 million a year in foreign taxes that they don`t have to pay. These international social security agreements are called “aggregation agreements” and have two main objectives: the recommendation: given the potential impact of tabination agreements on social security trust funds, the Commissioner for Social Security should cooperate with the office of the chief actor in order to set up a regular process that will cover the projected initial costs and the beneficiaries concerned in relation to the What actually happened. over time, studies and uses this information. where appropriate, adapt future methods for estimating aggregation agreements. Since 2005, TSCL has requested the disclosure of documents relating to the agreement through several freedom of information act (FOIA) requests and remedies. .