MO SB901

Commercial entities operating websites where more than one-third of content is sexual material harmful to minors must implement age verification using digital identification, government-issued ID, or transactional data verification

Entities performing age verification are prohibited from retaining any identifying information of users

Websites must display mandatory warnings in 14-point font about pornography's potential harms to brain development, mental health, and its link to exploitation, plus a SAMHSA helpline notice on every page

Attorney General enforcement with civil penalties of $10,000 per day for age verification violations, $10,000 per instance of improperly retained user data, and up to $250,000 if minors access the material

Exemptions apply to news-gathering organizations and internet service providers, search engines, or cloud services that merely provide access without creating the content