OBS_VALUE: <ul><li><a href=https://sso.agc.gov.sg/Act/PSA2019 target=_blank>Payment Services Act 2019(Payment Services Act 2019 (No. 2 of 2019), last amended 01 July 2021, Part 3, Divisions 2-4)</a></li><li><a href=https://www.mas.gov.sg/regulation/payments/payment-systems target=_blank>Monetary Authority of Singapore official website(Payment Systems Designated Under Payment Services Act)</a></li><li><a href=https://sso.agc.gov.sg/Acts-Supp/1-2006/Published/20070731?DocDate=20060228 target=_blank>Payment Systems (Oversight) Act 2006(Payment Systems (Oversight) Act 2006, repealed as from 28 January 2020, Part IV)</a></li></ul>