Act 4, Part 3 Summary

Bazile arrives with the notary. The Count quickly changes the plan, and tells the notary that the marriage between himself and Rosine scheduled for later that day is to be performed now. The notary asks the Count to confirm that he is, in fact, Almaviva because the notary has two marriage contracts with him: one for the wedding of Bartholo and Rosine, the other for the wedding of Almaviva and Rosine. "Apparently," the notary says, "the brides are sisters and bear the same name." The Count agrees to sign the contract, suggesting that Bazile act as a witness. As the Count and Rosine sign the contract, the Count tosses the confused Bazile a bag of money, who – of course – witnesses the contract.

At that moment, Bartholo appears with two police officers. He sees the Count kissing Rosine's hand and Figaro embracing...