Auction went -
S W N E
P P P 1C
2C* 2S P 3C
P P P
2C is alerted and described as Michael's cue bid showing 5+ of both majors.
3C makes 6 tricks = 150 N/S
There is disagreement between N/S as to their system - North says she alerted and advised their correct system (Michael's cue bid) - South says that 2C over a short club opening bid shows genuine clubs.
I rule misinformation - opponents were damaged - and readjust the score to 2S making 8 tricks = +110 E/W.

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