"The Service Obligation Scheme helps international students in Singapore with the costs of selected postgraduate research courses in certain autonomous universities. Service Obligation recipients must serve a 3-year bond with a Singapore entity after graduation."
White Paper - Salaries for a Capable and Committed Government: "We chose to benchmark the entry MR4 Minister’s salary to the median income of the top 1,000 earners who are Singapore Citizens but with a 40% discount to signify the sacrifice that comes with the ethos of political service."
Employment of Foreign Manpower (Work Passes) Regulations 2012 - FOURTH SCHEDULE - 6: “The foreign employee shall not go through any form of marriage or apply to marry under any law, religion, custom or usage with a Singapore citizen or permanent resident in or outside Singapore, without the prior approval of the Controller, while the foreign employee holds a work permit, and also after the foreign employee’s work permit has expired or has been cancelled or revoked.”