Introduction of an offside line five metres behind the hindmost feet of the scrum.

BBC: Law changes trial gets go-ahead

If you say OK to goal-line technology, then it is offside technology, then penalty area technology, and we stop the football.

CNN: Goal-line technology approved in soccer

"What is frustrating is that you are a yard away from the man that's clearly offside looking along the line and the referee's standing the other side of you and does not put the flag up, " said Jefferies.

BBC: Hearts boss Jim Jefferies reports referee Willie Collum