Tagging is a way of making sure that a person who committed an offence is monitored 24 hours and for the Authorities to know exactly where you are at certain times. Along with conditions of getting bailed and it they do not keep to the conditions set by the court, tht person can be arrested and taken back into custody. The tagging system is set by the courts of Law and the tag is usually place on a person until the court decides other wise.