“…Child welfare practice in cases involving custodial disagreements takes place in a legal and organisational grey zone, which makes caseworkers uncertain about the legal framework, their professional mandate (Jevne and Ulvik 2012;Stang 2013Stang , 2014 and what kinds of problems may justify child welfare involvement (Rød, Iversen, and Underlid 2013). Based on how the parents describe child welfare work, CWS's measures, or lack of them, were strongly associated with how professionals actively defined their professional mandate, and how they included or excluded different aspects of custodial disagreements in child welfare work.…”