Young's case 1972 - allows the court of appeal to depart from it's decision
1 - the court is entitles and bound to decide which of two conflicting decisions of its own will follow
2 - the court is bound to refuse to follow a decision on its own which which, though not expressly overruled, cannot, in its opinion, stand with a decision of the house of lords
3- the court is not bound to follow a decision of its own if it is satisfied that the decision was given per incuriam