People selling houses are still eligible to pay the 2014 Local Property Tax.
A mistake in the laws around the property tax has cost the State €3m.
Today is the deadline for people filing their Property Tax return by paper.
Revenue has admitted it made a blunder on payment demands for the property tax - but insisted it was only trying to deliver the best service possible.
Concerns over payment options for the 2014 property tax will be discussed during a special meeting today.
Revenue has extended by a week the deadline by which people who wish to pay their 2014 property tax in one lump sum must inform them by post.
Taoiseach Enda Kenny has defended the actions of the Revenue Commissioners in the way they are collecting the Local Property Tax for next year.
Almost one in five people selling their homes say they cannot afford the mortgage on it, according to a recent survey.
The Revenue Commissioners say they are working towards "100% compliance" with the Local Property Tax (LPT).
Some 90% of those eligible to pay Property Tax have now done so.