<ul><li><a href=https://www.bphn.go.id/data/documents/15pm017.pdf target=_blank>Regulation on Technical Requirement of Contactless Smart Card Reader(Persyaratan teknis pembaca kartu cerdas nirkontak, Ministry of Communication and Information Regulation No. 17/2015, Appendix, adopted 27.04.2015, Chapter I)</a></li><li><a href=https://www.bi.go.id/id/publikasi/peraturan/Pages/pbi_190817.aspx target=_blank>National Payment Gateway Regulation(Gerbang pembayaran nasional, Bank Indonesia regulation No. 19/8/PBI/2017, adopted 22.06.2017)</a></li></ul>