The document is the 11th edition of the International Table Tennis Federation's Handbook for Match Officials from December 2005. It provides guidance for match officials on applying laws and regulations consistently in table tennis matches. The handbook covers the roles and responsibilities of referees, umpires, assistant umpires, timekeepers, and stroke counters. It also explains key aspects of the laws around services, lets, points, order of play, and player conduct. The handbook aims to promote consistency in officiating across different competitions and countries.