This is the information that the IRS is demanding Coinbase to provide:
For each Coinbase user for which your records show any U.S. address, U.S. telephone number, U.S. e-mail domain, or U.S. bank account, produce the following records for the period January 1, 2013 through December 31, 2015 unless otherwise stated:
1. Account/wallet/vault registration records for each account/wallet/vault owned or controlled by the user during the period stated above including, but not limited to, complete user profile, history of changes to user profile from account inception, complete user preferences, complete user security settings and history (including confirmed devices and account activity), complete user payment methods, and any other information related to the funding sources for the account/wallet/vault, regardless of date.
2. Any other records of Know-Your-Customer due diligence performed with respect to the user not included in paragraph 1, above.
3. For any account/wallet/vault with respect to which the registered user gave any third party access, control, or transaction approval authority, all powers of attorney, letters of wishes, corporate minutes, or other agreements or instructions granting the third party such access, control, or approval authority.
4. All records of account/wallet/vault activity including transaction logs or other records identifying the date, amount, and type of transaction (purchase/sale/exchange), the post transaction balance, the names or other identifiers of counterparties to the transaction; requests or instructions to send or receive bitcoin; and, where counterparties transact through their own Coinbase accounts/wallets/vaults, all available information identifying the users of such accounts and their contact information.
5. For each merchant user for which you act as Payment Service Provider, records of all payments processed, including records identifying the user of the wallet charged, if a Coinbase user, or the address of the wallet charged, if not, the date and amount of the transaction, and any other information that will enable the merchant to identify the transaction.
6. All correspondence between Coinbase and the user or any third party with access to the account/wallet/vault pertaining to the account/wallet/vault, including but not limited to letters, memoranda, telegrams, telexes, facsimiles, e-mail, letters of instruction, and memoranda of telephone or oral instructions received.
7. All periodic statements of account or invoices (or the equivalent).
8. All records of payments to or from the user by checks, wire or other electronic transfer, ACH transaction, PayPal transfer, credit or debit card transaction, money order, transfer to or from other digital currency wallet address, or any other method, including records reflecting the form, manner, nature, and purpose of such payment including, but not limited to, ABA routing number and other routing information, payment instructions, and any and all invoices, billing statements, receipts, or other documents memorializing and describing such transaction.
9. All exception reports produced by your AML system, and all records of
investigation of such exceptions. For the purpose of this summons, you are required to produce all documents described in this attachment, whether located in the United States or otherwise, that are in your possession, custody, or control, or otherwise accessible or available to you either directly or through other entities.
Source:
Ex B