A reverse stock split is generally not a taxable event unless you sold or received dividends or somehow received cash or its equivalent from the transaction.
If you did receive $65 from the stock split then you would enter it as follows:
- Federal
- Income
- Show More next to Investment Income
- Start next to Stocks, Cryptocurrency, Mutual Funds, Bonds, Other (1099-B)
- Select 1099-B
- Continue through and enter your 1099B