As per the UK’s Human Tissue Act 2004, it is necessary to take permission from the man involved before doing a prenatal paternity test. The law also further requires check cells or blood sample from the man who is being alleged to be the father. This law entered into force in 2006. Before the introduction of this law, there were no restrictions regarding paternity tests in UK. According to section 45 of the human tissue law, it is a crime to possess without agreeable permission by the person they are taken from any human body cells for the sake of analyzing their DNA.