Longford Westmeath TD Robert Troy stepped down from the position over his property portfolio.
The race is on to replace Robert Troy as Junior Minister.
The deputy stood down from his duties in government amid questions about his property interests on Wednesday.
Potential replacements include James Lawless, Christopher O' Sullivan and Jennifer Murnane O' Connor.
However Strategy Director with Carr Communications Johnny Fallon feels there's a clear favourite:
Politicians may have to provide more details of their properties, including if they've any rental contracts with a council.
It's part of a planned overhaul of the current ethics regime for public representatives, following on from the Robert Troy controversy.
According to the Irish Times, some of the Committee on Members Interests want politicians to declare if they're receiving the likes of HAP from tenants.
The review of ethics will be completed shortly, and presented to Minister Michael McGrath.
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