The Government is being urged to intervene and prevent strike action in Tusla escalating.
Admin and clerical staff at the child and family agency are starting a work-to-rule action today in a dispute over a job evaluation scheme.
The scheme would ensure employees are not forced to take on work outside of their level, when other staff leave.
Fórsa spokesperson Niall Shanahan says they'll be forced to escalate their action if the issue isn't resolved: