More than €23m has been handed over to the Government during the tax amnesty for second homes.
Today's Irish Independent claims that figure brings the total amount raised by the tax to €400m.
The Non-Principal Private Residence payment was brought in five years ago to target landords and holiday home owners, but it has now been replaced by the Property Tax.
Anyone who misses this week's deadline will have to pay €7,000, almost double the original charge.
Wicklow-based, Reform Alliance TD, Billy Timmins is calling for extra time to allow those who were unaware of the tax to settle the debt.
However, the Environment Minister is ruling out any extension and home owners are being warned the property tax database is being used to track down those who have not paid.