From: Rabbi Moshe Sofer
To: Unknown recipient
The Chasam Sofer systematically critiques a community's multi-pronged haskamah against unauthorized kiddushin, finding defects in the hefker, witness-disqualification, and vow provisions. He proposes instead an annual communal vow of issur hana'ah on kiddushin money later found to violate civil law, while emphasizing that no enactment can annul kiddushin once the marriage has been consummated through bi'ah.
Source: Shu"t Chasam Sofer EH I §109