Does Bitstamp Europe S.A. DO CRS?

[pixbix]

They never asked for an TAX ID , KYC only 1 year ago.

 

[TheCryptoAnt]

they dont do it automatically, no

For what I know, only Coinbase works actively with HMRC and IRS.

Now this does not mean they wont tell them averything they know of you if requested by any tax authority.