Creates the Packaging and Paper Products Stewardship Act. Provides that a producer responsibility organization shall be established to carry out the Act's provisions. Tasks the Environmental Protection Agency with providing administrative support under the Act. Establishes the Packaging and Paper Product Producer Responsibility Advisory Council to provide advice and recommendations in the drafting, amendment, or approval of program plans and to oversee and provide recommendations for the implementation of program plans. Requires producers, in consultation with the Advisory Committee, to adopt and publish a list of minimum types of readily recyclable materials based on available collection and processing infrastructure and recycling markets for covered materials. Tasks the Prairie Research Institute with conducting a study and preparing a statewide needs assessment to assess recycling and covered materials management needs in the State. Provides that, no later than January 1, 2026, producers shall submit a producer responsibility program plan for the Agency's approval. Requires producers to establish waste prevention and reuse programs and composting infrastructure and education programs. Permits the development and operation of an alternative collection program to collect and manage a type or types of covered materials sold, offered for sale, distributed, or served to consumers in the State that are not on the minimum recyclable materials list. Requires producers to submit annual reports to the Agency. Allows postconsumer recycled content requirements in specific products to be waived by the Agency if specified requirements are met. Contains provisions concerning a plastics recycling technologies study, outreach and education, penalties for violations, severability, and other provisions. Effective immediately.