www.iras.gov.sg/irashome/Schemes/Individuals/Not-Ordinarily-Resident–NOR–Scheme/
www.mof.gov.sg/MOF-For/Individuals/The-Not-Ordinarily-Resident-NOR-Taxpayer-Scheme
www.iras.gov.sg/irashome/News-and-Events/Singapore-Budget/Budget-2019—Overview-of-%20Tax-Changes/