The report also highlights a "sustained and rapid" increase in children reporting concerns.
A new report's found Gardai have failed to arrest some domestic abusers during the lockdown - despite clear evidence of a serious assault.
The Policing Authority says other examples of "poor practice" include the refusal of Gardai to remove the perpetrator from a home until the victim gave a statement.
The body's raised questions over whether good practice is systemic in the force yet.
The report also highlights a "sustained and rapid" increase in children reporting concerns about domestic violence since the restrictions came in.
Edel Hackett from Safe Ireland based in Athlone says they're seeing more mothers coming forward looking for support for their children:
Midlands 103's Coronavirus News Blog: Ministers Want To Reduce Social Distancing Rules https://t.co/QoVUd0famM— Midlands103 (@Midlands103) May 23, 2020