AZ SB1341

Requires commercial entities that publish or distribute material harmful to minors on websites where such material comprises more than 33.3% of content to implement reasonable age verification methods to confirm users are 18 years or older.

Defines "material harmful to minors" as content that appeals to prurient interest, depicts sexual acts or explicit material in an offensive manner, and lacks serious literary, artistic, political or scientific value for minors.

Allows age verification through independent third-party services using commercial databases or any commercially reasonable method using public or private transactional data.

Prohibits commercial entities or third parties from retaining users' identifying information after access to harmful material is granted.

Creates civil liability for violations, allowing individuals to sue for damages including court costs and reasonable attorney fees; exempts news organizations, internet service providers, search engines, and cloud service providers from liability.