The Psychiatric Nurses Association, headquartered in Sallins, is taking the industrial action after a breakdown in talks with the HSE over the recruitment of core nursing roles in the health service.
Up to 6,500 psychiatric nurses will engage in a work to rule from this morning.
The Psychiatric Nurses Association, headquartered in Sallins, is taking the industrial action after a breakdown in talks with the HSE over the recruitment of core nursing roles in the health service.
It comes ahead of a separate action by other healthcare unions who plan their own work to rule action on Monday.
PNA General Secretary Peter Hughes says they are open to discussions but are prepared to go further to get what they want.

Thousands Step Out at Dawn in Support of Mental Health
"Like A Bull In A China Shop": Kildare TD Criticises Media Minister Amid Proposed Social Media Ban For Under 16s
Darkness Into Light Events Taking Place Across Kildare
Gardaí Recover Pellet Gun After Alleged Assault In Sallins
Kfm Obituary Announcements
Man Due Before Court Following Seizure Of Firearms And Ammunition In Maynooth Yesterday
Parents And Guardians Urged To Complete Applications For School Transport, As Deadline Looms
Two Firearms, 39 Rounds of Ammunition And A Scrambler Seized In Maynooth