20(12)Subject to subsection 22(4), every person authorized under a special Crown reserve licence who is not the holder of a class 1, 2, 3, 7 or 8 licence but who is entitled under this Regulation to angle for Atlantic salmon under a class 1, 2, 3, 7 or 8 licence issued to another person shall immediately after killing a grilse while angling on special Crown reserve waters affix to that grilse in accordance with Schedule B a previously unused tag associated with the class 1, 2, 3, 7 or 8 licence under which he or she is entitled to angle.