Malcolm Noonan (Carlow-Kilkenny, Green Party) | Oireachtas source

It is because the word "houses" refers to, as I said, a building or part of a building containing more than one apartment. It is not that it is hidden in there. It is something that is defined in the legislation. As it is defined in the legislation, we do not need to repeat it in the Bill. It is a standard approach of drafting and preparing the legislation. It is on advice from the OPC that we do not need to repeat it.