Rehab CEO to appear before Dail committee.

Representatives from the group are due to face the Oireachtas spending watchdog over their lottery scheme.

Rehab solicitors have given advance notice that they're not willing to discuss CEO Angela Kerins' €240 thousand salary at the hearing – or any other issues outside the committee's remit.

Sinn Fein deputy Mary Lou McDonald says there are legitimate questions that need to be answered