In recent years, indications emerged that the assumption of self-efficacy in the Dutch Legal Aid Law might have been an impediment for accessing subsidised legal aid for citizens who suffered from the childcare benefits situation. The temporary Arrangement Advice Certificate Self-efficacy envisages to fix this potential flaw. Jin Ho Verdonschot, together with his colleagues Carla van Rooijen, Susanne Peters and Corry van Zeeland,  shows how insights in the people using the arrangement, their legal problems and situations, the nature and effectiveness of interventions under the arrangement, and the experiences of people and the professionals helping them, can inform changes in policy.