OBS_VALUE: <ul><li><a href=https://sso.agc.gov.sg/SL/IA1959-RG1? target=_blank>Immigration Regulations(Immigration Act (Chapter 133, Section 55(1)) Immigration Regulations Rg 1 G.N. No. S 252/1972. Revised Edition 2009 (1st June 2009). Issued on 25 August 1972. Last amended on 21 April 2023. Regulation 16. )</a></li><li><a href=https://sso.agc.gov.sg/SL/IA1959-OR4?DocDate=20190121 target=_blank>Immigration (Exemption from Singapore Visa) Order(Immigration Act(Chapter 133, Section 56)Immigration (Exemption From Singapore Visa) OrderO 4 G.N. No. S 658/2007Revised Edition 2009(1st June 2009). Issued on 1st December 2007. Last amended on 21 April 2023. )</a></li><li><a href=https://sso.agc.gov.sg/SL/IA1959-OR1?DocDate=20090601 target=_blank>Immigration (Exemption from Section 6) Order(Immigration Act(Chapter 133, Section 56)Immigration (Exemption From Section 6) OrderO 1G.N. No. S 648/2005Revised Edition 2009(1st June 2009). Issued on 7th October 2005. Last amended on 1st of June 2009.)</a></li></ul>