<ul><li><a href=https://www.irishstatutebook.ie/eli/2022/si/444/made/en/print target=_blank>European Union (Electronic Communications Code) Regulations 2022(S.I. No. 444/2022, adopted in September 2022, reg 90)</a></li><li><a href=https://www.comreg.ie/publication-download/introducing-number-portability-in-ireland-decision-notice-d199 target=_blank>Decision on Introducing Number Portability in Ireland(ComReg Decision of D1/99, April 1999)</a></li><li><a href=https://www.comreg.ie/media/dlm_uploads/2015/12/odtr0136.pdf target=_blank>Implementing Full Mobile Number Portability in Ireland(ComReg Consultation Paper, No. ODTR 01/36, May 2001)</a></li></ul>