<ul><li><a href=https://www.imda.gov.sg/regulations-and-licensing-listing/telecom-competition-code target=_blank>Code of practice for competition in the provision of telecommunication and media services 2022(Code of practice for competition in the provision of telecommunication and media services 2022. Entered into force on 2 May 2022. Sections 5 and 6)</a></li><li><a href=https://www.imda.gov.sg/regulations-and-licensing-listing/competition-management/telecom-competition-code target=_blank>Amendment Notification for classification of dominant licensee 2017( Telecommunications Act(chapter  323) Telecommunications (designatedtelecommunication licensees) (amendment)notification  2017. Issued on 13 September 2017. )</a></li><li><a href=https://www.imda.gov.sg/regulations-and-licensing-listing/competition-management/full-competition-in-singapores-telecommunication-sector target=_blank>IMDA official website, Full Competition in Singapore's Telecommunication Sector, last updated on 03 Jun 2019</a></li></ul>