Exchange and Coin Crypt wallet service Coinbase sent an official notice on Friday, February 23 to about 13,000 of its customers whose information is legally required to return to the Internal Revenue Service (IRS) of the United States.

The IRS initially asked Coinbase in July 2017 to provide even more detailed information on each of its more than 500,000 users. on their taxes. However, another court order in November 2017 reduced this number to about 14,000 "high-activity" users, whose platform now yields 13,000, which Coinbase calls a "partial but significant victory for Coinbase and its customers. "

On Friday, Mr. Coinbase told the approximately 13,000 affected customers that the company would provide the IRS with their ID, name, date of birth, address and transaction history from 2013 to 2015 in the 21 days.

Coinbase's letter to these clients encourages them to "promptly seek advice from a lawyer" when they have questions. Their website also states that concerns can also be addressed on the Coinbase Tax FAQ.

The ongoing legal battle between Coinbase and the US government dates back to November 2016, when the IRS filed a "Convocation of John Doe" in the Feb. 13, Credit Karma personal finance department published data showing that only 0.04% of its clients had declared cryptocurrencies in their federal tax return so far this tax season.