These are links to the Accounting Separation obligations and websites of regulated companies where the Separated Accounts are maintained:

Regulated company Accounting Separation Decisions Regulated company website
Eir (see note) ComReg document: 10/67 See here for details
2rn (see note) ComReg document: 13/71  See here for details
RTÉ (see note) ComReg document: 13/71  See here for details