They voted against the Government on housing legislation this week
Neasa Hourigan resigned as party whip for voting against the Residential Tenancies Bill this week.
She's also had Dail speaking rights suspended for two months - a sanction also imposed on junior minister Joe O'Brien who abstained.
The Dail won't actually sit for six of the eight weeks the punishment lasts for.
Minister for Children and Green Party TD Roderic O'Gorman says it won't happen again:
