This document defines key terms related to the Juvenile Justice and Welfare Act of 2006 such as "bail", "best interest of the child", "child", "child at risk", "child in conflict with the law", and others. It also outlines the duties of law enforcement when taking a child into custody, which include explaining the reason for custody, advising the child of their rights, avoiding violence, and immediately transferring the child to social services. For children under 15, the authority must immediately release the child to their parents/guardians or social services to determine appropriate programs.