<p>Goal-line technology providers GoalRef and Hawk-Eye have been authorised to install their systems worldwide after signing licence agreements with FIFA, soccer's world governing body said on Tuesday.</p>.<p>The announcement came a year after FIFA began an exhaustive search for systems which could reliably detect whether or not a ball had crossed a goal-line.</p>.<p>"Between October 2011 and June 2012, both companies passed a series of extensive laboratory and field tests, tests in simulated match situations, as well as tests in live matches," said FIFA in a statement.</p>.<p>"This milestone in the goal-line technology process, which began in 2011, means that the two companies now have official authorisation to install their respective goal-line technology systems worldwide."</p>.<p>Football's rule-making body, the International Football Association Board (IFAB), approved the use of the technology in July following a series of incidents in which referees failed to see that the ball had crossed the goal-line.</p>.<p>The most infamous "phantom goals" were Frank Lampard's effort for England in the World Cup second round match against Germany in 2010 and Sulley Muntari's 'goal' for AC Milan in a top-of-the-table Serie A clash against Juventus last season.</p>.<p>The latter incident had a decisive impact on the outcome of the championship as Milan, winning the match 1-0 at the time, were eventually pegged back to 1-1 after conceding a late equaliser. Juventus went on to win the title.</p>.<p>FIFA said both systems still had to pass tests in stadiums where they had been installed before they could be used for official matches.</p>.<p>"Once a system has been installed in a stadium, the system undergoes a final inspection to check its functionality.</p>.<p>"This is carried out by an independent test institute and the results of this so-called 'final installation test' must be successful.</p>.<p>"Only a positive final installation test qualifies a system to be used in official matches."</p>.<p>Goal-line technology is due to make its debut at the Club World Cup in Japan in December.</p>.<p>FIFA plans to use the GoalRef system in one of the two stadiums used for the competition and Hawk-Eye in the other.</p>
<p>Goal-line technology providers GoalRef and Hawk-Eye have been authorised to install their systems worldwide after signing licence agreements with FIFA, soccer's world governing body said on Tuesday.</p>.<p>The announcement came a year after FIFA began an exhaustive search for systems which could reliably detect whether or not a ball had crossed a goal-line.</p>.<p>"Between October 2011 and June 2012, both companies passed a series of extensive laboratory and field tests, tests in simulated match situations, as well as tests in live matches," said FIFA in a statement.</p>.<p>"This milestone in the goal-line technology process, which began in 2011, means that the two companies now have official authorisation to install their respective goal-line technology systems worldwide."</p>.<p>Football's rule-making body, the International Football Association Board (IFAB), approved the use of the technology in July following a series of incidents in which referees failed to see that the ball had crossed the goal-line.</p>.<p>The most infamous "phantom goals" were Frank Lampard's effort for England in the World Cup second round match against Germany in 2010 and Sulley Muntari's 'goal' for AC Milan in a top-of-the-table Serie A clash against Juventus last season.</p>.<p>The latter incident had a decisive impact on the outcome of the championship as Milan, winning the match 1-0 at the time, were eventually pegged back to 1-1 after conceding a late equaliser. Juventus went on to win the title.</p>.<p>FIFA said both systems still had to pass tests in stadiums where they had been installed before they could be used for official matches.</p>.<p>"Once a system has been installed in a stadium, the system undergoes a final inspection to check its functionality.</p>.<p>"This is carried out by an independent test institute and the results of this so-called 'final installation test' must be successful.</p>.<p>"Only a positive final installation test qualifies a system to be used in official matches."</p>.<p>Goal-line technology is due to make its debut at the Club World Cup in Japan in December.</p>.<p>FIFA plans to use the GoalRef system in one of the two stadiums used for the competition and Hawk-Eye in the other.</p>