Laws 73 and 89 have been revised and came into effect on 1 January 2024.

These amendments are being implemented in an effort to promote fair and consistent play across all WBF-sanctioned bridge events

Law 73 concerns Communication, Behaviour, Tempo and Deception

Law 89 concerns Prohibited Behaviour and Reprehensible Conduct

The revisions are here.

[Paul's comments] These changes are unlikely to effect club members and seem to have been introduced to make it easier to prosecute pairs who may be cheating.