
Briefing
The Internal Revenue Service (IRS) and Treasury Department have finalized regulations mandating that digital asset brokers, including custodial exchanges and hosted wallet providers, report customer sales and exchanges on the new Form 1099-DA. This action fundamentally shifts the burden of tax compliance from the individual taxpayer to the regulated intermediary, thereby formalizing a systematic information reporting architecture for the US digital asset market. The primary consequence is the immediate, non-negotiable requirement for all covered brokers to implement systems capable of reporting gross proceeds from customer transactions beginning on January 1, 2025.

Context
Prior to this final rule, the digital asset market operated without a standardized, mandatory information reporting regime comparable to traditional financial markets. This created a significant tax compliance gap, as individual investors were solely responsible for tracking and reporting the basis and proceeds of every transaction, a task complicated by the high volume and cross-chain nature of digital asset trading. The prevailing challenge was the absence of a reliable, third-party reporting mechanism, which hindered IRS enforcement and created systemic uncertainty for compliant taxpayers.

Analysis
The regulation compels custodial platforms to execute a major, non-trivial update to their core compliance and data systems. The immediate cause-and-effect chain requires brokers to first implement gross proceeds tracking for all 2025 transactions, followed by the complex requirement to track and report cost basis for all covered securities acquired on or after January 1, 2026. This two-phase mandate necessitates significant investment in data infrastructure, specifically for transaction attribution and historical cost-basis tracking, creating a competitive advantage for platforms that can seamlessly integrate this new tax-reporting module into their client service offerings. The explicit exclusion of decentralized and non-custodial entities highlights a continued regulatory perimeter that impacts market structure.

Parameters
- New Reporting Form ∞ Form 1099-DA, Digital Asset Proceeds from Broker Transactions.
- Gross Proceeds Reporting Start ∞ January 1, 2025.
- Cost Basis Reporting Start ∞ January 1, 2026 (for covered securities only).
- Targeted Entities ∞ Custodial Digital Asset Trading Platforms and Hosted Wallet Providers.
- Exempted Entities ∞ Decentralized (DeFi) and Non-Custodial Brokers.
- Estimated Revenue Generation ∞ $28 Billion over 10 years (estimated by IIJA).

Outlook
The next phase involves the operationalization of the penalty relief provisions for 2025 reporting, as brokers race to achieve “good faith effort” compliance before the 2026 filing season. This US action sets a powerful precedent for other jurisdictions considering tax transparency mandates, particularly those that have not yet fully implemented the OECD’s Crypto-Asset Reporting Framework (CARF). The clear distinction between custodial and non-custodial entities also provides a regulatory blueprint that will influence future debates on the legal perimeter of decentralized finance (DeFi) and self-custody solutions.

Verdict
The new 1099-DA requirement is the most significant, compliance-intensive structural update to the US digital asset tax framework, irrevocably closing the historical information gap between custodial platforms and the Internal Revenue Service.
