Prior to the agreement, workers, employers and the self-employed could, under certain circumstances, be required to pay social security taxes in the United States and France for the same work. The conditions for the application of the agreement are set out in an administrative document. If you have any questions about international social security conventions, call the Social Security Administration`s Office of International Programs at 410-965-3322 or 410-965-7306. However, please do not call these numbers if you wish to inquire about an individual entitlement to benefits. Instead, they contribute through the employer who respects the system of the country of residence (for example. B UK National Insurance or French Securite Social or Singapore CPF). However, there is a difference in how loans acquired in Britain by France (countries with totalisation agreements) and loans earned in Singapore (no aggregation agreement) can be used in the future to qualify for social security benefits in the United States France and the People`s Republic of China signed a social security agreement on 31 October 2016.1 This is the first this type between the two countries. If you are entitled to Social Security benefits from both the United States and France and you do not need the agreement to qualify for either benefit, U.S. law may reduce the amount of your benefit in the United States.