MO HB1329

Prohibits disclosure of a consumer's purchasing history combined with personally identifiable information to a data broker without first obtaining written consent from the consumer.

Defines "personally identifiable information" to include persistent identifiers, government-issued ID numbers, financial information, names, addresses, email, phone numbers, insurance policy numbers, and physical descriptions.

Requires entities seeking to share personally identifiable information with data brokers to maintain instructions on their website explaining how consumers can revoke consent at any time.

Grants consumers a private cause of action against entities that disclose information and data brokers that receive it, with damages of at least $1,000 per plaintiff plus attorney's fees and potential punitive damages.

Classifies violations as a class A misdemeanor with enforcement authority granted to the state attorney general.