Deadline Approaches for Maryland Digital Advertising Tax Refund Claims

Why It Matters

The deadline forces affected advertisers to act quickly to recover potentially overpaid taxes, while the legal challenge could reshape digital‑ad tax policy nationwide.

Key Takeaways

• Maryland DAT excludes audio‑only and non‑programmatic ads
• Refund claim deadline for 2022 DAT is April 15, 2026
• Taxpayers can recover taxes paid on excluded ad revenues
• Statute of limitations runs three years from return filing
• Ongoing litigation challenges DAT legality, impacting compliance decisions

Pulse Analysis

The Maryland Digital Advertising Tax, introduced to capture revenue from programmatic, visually delivered online ads, has faced scrutiny since its inception. A recent Comptroller interpretation narrows the tax base, explicitly exempting audio‑only advertisements and any ad sales that are not executed programmatically. This regulatory clarification aligns Maryland with a growing trend among states to fine‑tune digital tax definitions, ensuring that only highly targeted, visual ad placements are subject to the levy. By narrowing the scope, the state aims to reduce compliance burdens while preserving revenue from its most lucrative digital ad segments.

For businesses that reported revenue from the now‑exempt categories, the practical implication is a narrow window to claim refunds. Under Maryland Tax‑Gen. § 13‑1104(a), the statute of limitations for refund claims runs three years from the date the tax, interest, or penalty is considered paid—typically the filing date of the annual return. With the 2022 return filed in early 2023, the effective deadline falls on April 15, 2026. Companies should audit their 2022 DAT filings, isolate revenues from audio‑only or non‑programmatic ads, and submit refund claims promptly to avoid forfeiting recoverable amounts.

The broader significance extends beyond Maryland’s borders. Several firms have withheld DAT payments pending litigation that challenges the tax’s constitutional footing and its alignment with interstate commerce principles. The outcome could set precedent for other jurisdictions contemplating similar digital advertising levies. As states grapple with taxing the digital economy, Maryland’s evolving stance underscores the importance of precise tax definitions and proactive compliance strategies for advertisers navigating an increasingly complex regulatory landscape.