Form 1099-DA Covered vs Noncovered Basis Guide (2026-2027)
Crypto transaction reporting path
How digital-asset activity is tracked and reported for US tax.
Record every disposition
Sales, swaps, and payments are each potentially taxable events.
Track basis and proceeds
Keep cost basis, dates, and proceeds for each transaction.
Characterize the income
Capital gain, ordinary income, or business income depending on the activity.
Report on the return
Carry gains, losses, and income to the applicable US return.
Key Takeaways
- Mandatory Form 1099-DA basis reporting begins with a narrower class of 2026 covered digital-asset sales.
- Pre-2026, transferred-in, self-custody, and optional-aggregation populations require separate controls.
- Notice 2026-20 permits specified contemporaneous 2026 custodial lot records through December 31, 2026.
- A broker's 2026 basis can differ from the taxpayer's valid lot record, so reconcile rather than overwrite automatically.
- Off-broker activity remains reportable even when no Form 1099-DA exists.
Tax year 2026 is the first real Form 1099-DA broker-basis reconciliation season
Gross-proceeds reporting began for broker sales effected in 2025, but mandatory basis reporting phases in for a narrower class of covered digital assets sold after 2025. For 2026, begin by separating assets acquired in and continuously held by the reporting custodial broker from pre-2026 lots, transferred-in lots, self-custody, and optional stablecoin/NFT aggregation. A form with basis is not automatically the whole tax ledger, and a form without basis is not incomplete when the asset is noncovered.
Covered, noncovered, and optional-aggregation populations need separate controls
A digital asset acquired before January 1, 2026 is generally outside the new acquisition-date phase-in, and an asset transferred from self-custody or another source is commonly noncovered because the broker did not acquire and continuously custody the lot. A broker using the optional method for qualifying stablecoins or specified NFTs can omit basis and acquisition information under the detailed rules. Preserve the status the broker reported; do not manufacture basis on the broker's form merely because the taxpayer has a separate tax-basis record.
Notice 2026-20 makes contemporaneous lot identification a 2026 control
For qualifying custodial dispositions during 2026, Notice 2026-20 permits adequate identification through a books-and-records entry made no later than the disposition or transfer, or through a sufficiently specific standing order recorded before it, when the notice's conditions are met. It does not apply to noncustodial assets and presently ends after December 31, 2026. The notice also allows the taxpayer's valid lot record to differ from the broker's basis and acquisition date, so a mismatch requires reconciliation rather than automatic replacement of one record by the other.
Reconcile proceeds, transaction costs, payee identity, and off-broker transactions
Build a master list of custodial brokers, hosted wallets, kiosks, processors, self-custody wallets, and protocols. Match each Form 1099-DA payee and TIN to the actual federal tax owner, especially when an account is in a disregarded LLC's legal name. Reconcile proceeds to units and the final-rule transaction-cost treatment, compare broker lots to the contemporaneous record, add swaps and protocol activity that produced no form, and bridge capital, ordinary, inventory, reward, or business items to the correct return. No Form 1099-DA does not mean no taxable event.
The evidence file must survive a platform export changing or disappearing
Retain raw CSV/API exports, trade confirmations, wallet addresses, transaction hashes, acquisition source, timestamp and timezone, USD valuation source, fees, transfer-in/out links, beneficial owner, lot-selection instruction, broker statement, W-8/W-9 documentation, and the final return bridge. Preserve immutable copies at year end and document every manual adjustment. The form increases the value of a wallet-level ledger; it does not replace it.
Frequently Asked Questions
When does Form 1099-DA begin mandatory basis reporting?
The phase-in begins for certain covered digital assets sold after 2025, generally involving qualifying lots acquired in and continuously held by the reporting custodial broker on or after January 1, 2026.
What is a noncovered digital asset under the 1099-DA instructions?
Pre-2026 assets and many assets transferred into a broker from self-custody or another source are generally noncovered under the phase-in, so the broker need not report basis.
Can my 2026 tax lot differ from the broker's reported lot?
Potentially. Notice 2026-20 recognizes that a taxpayer's timely, valid 2026 lot identification can differ from the broker's basis and acquisition date. Preserve the contemporaneous record and reconcile the difference.
Does a missing Form 1099-DA make a DeFi or self-custody transaction nontaxable?
No. Broker reporting and substantive tax are separate. Swaps, rewards, payments, and protocol transactions still require classification even when no broker form is issued.
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