Law 15B Wrong Board
In a multiple teams event South opened 1NT which was the final contract. They then noticed that it was the wrong board (board 13). Neither pair had played the board previously. I took the pragmatic approach of getting them to play the correct boards. When both pairs met board 13 later the bidding was repeated so there was no problem. However I know that Law 15B required Board 13 to be played and then they should play the correct boards. That seems very messy to sort out, particularly at teams. What should I really have done?