Sending digital assets including BTC, ETH, and supported non-CBDC stablecoins (e.g., USDG, USDC, PYUSD, EURC, EURT, etc.) is generally treated as a taxable disposal unless it is a transfer to another account or wallet of the same user. Generally, non-CBDC stablecoins are treated as crypto, not fiat, even if pegged to a fiat currency.
You should therefore track the following concerning any crypto that is transferred:
Note: Crypto tax aggregation services such Koinly.io or Cointracker.io may be able to assist you in tracking your crypto transfers and support you with the related tax calculations. For more information concerning connecting your account to a Crypto tax aggregation service, see Tax API FAQs.