1. However, some government departments' requirements could strain this relationship. For example, FaCS/Centrelink and the DVA disability assessments sometimes require GPs to assess the effect of a medical condition on a person's ability to work or study. Some GPs perceive that they are becoming 'screeners' for government departments and in some cases are required to make judgments extending beyond the clinical evidence available;GPs have a duty of care to their patients,2002