App Store Accountability Act; civil penalties; civil action. Requires an app store provider, defined in the bill, to verify the age category of an account holder, obtain verifiable parental consent for a minor account holder, and share such age category and consent information with the developer of an app, defined in the bill. The bill requires a developer to verify the age category of an account holder with a developer's app and notify app store providers of any significant change to a developer's app. The bill also requires a developer to provide a parental consent disclosure for each of its apps to each app store provider that makes the developer's app available on its app store, and such provider shall provide such disclosure on its app store. The bill allows the Attorney General and any minor or parent of a minor who suffers harm by reason of a violation of this bill to initiate an action. The bill has a delayed effective date of July 1, 2027.