What's Happening?
State legislatures across the U.S. are advancing new taxes on digital advertising and data, revisiting incentives, and using conformity to federal law as a policy lever. This is part of a broader agenda driven by budget pressures and the need to adapt
to rapidly evolving digital and AI-related taxes. The changes are reshaping multistate tax exposure for large companies, affecting cash taxes, effective tax rate volatility, and audit exposure. The One Big Beautiful Bill Act (OBBBA) has made permanent several key business provisions of the 2017 Tax Cuts & Jobs Act, impacting state corporate income tax bases. States are also moving towards symmetrical rounding for cash transactions following the discontinuation of federal penny production.
Why It's Important?
These developments have significant implications for large companies operating across multiple states. The introduction of digital taxes and changes in tax incentives require companies to reassess their multistate footprint and tax strategies. The evolving tax landscape could lead to increased compliance costs and complexity, particularly for businesses relying on digital advertising, data monetization, and AI tools. The changes also highlight the growing importance of aligning tax strategies with IT and marketing operations to manage nexus, tax base definition, and sourcing effectively.
What's Next?
Companies will need to closely monitor state-level tax proposals and adjust their strategies accordingly. This includes mapping digital ad spending, user bases, and AI deployments against current and pending digital tax proposals. The need for collaboration between tax, IT, and marketing teams will be crucial to navigate the complexities of the new tax environment. Additionally, businesses should prepare for potential mid-cycle changes due to political disputes and ensure compliance with varying state tax regulations.









