Division 5.1 United Kingdom Original text. Later amendments are not shown. The precision criteria given in each method is defined as follows: 5.1.1Division 5.1.1 5.1.2Division 5.1.2 5.1.3Division 5.1.3 5.1.4Division 5.1.4 ← Division 5 Division 5.1 Division 5.1.1 →