If the deposit is actually a credit of coins from a hard fork, then classify it as “hard fork”.
To do this, you have to specify which blockchain or which coin has forked – i.e. split – itself. It is also important that you specify the fork point including the correct time. The exact time, when a hard fork has taken place, you can easily find out with Google. The certified Cryptotax software will check when you bought the original coins and transfers the original purchase date to your new coins.
If the coins created by the Hard Fork were imported by the manual import, please pay attention to the instructions for the upload of Hard Fork Coins.