Get your taxes done using TurboTax

A cash in lieu transaction is reported the same way as any stock transaction. It is just the sale of fractional share of stock, usually as a result of a split or merger. 

This is how to enter it in TurboTax manually:

1. Open your return and select Federal on the left side menu.
2. Select Wages & Income.
3. Scroll down, or expand the list and find Investments and Savings (1099-B, 1099-INT, 1099-DIV, 1099-K, Crypto), expand the section and click Start or Revisit to the right of Stocks, Cryptocurrency, Mutual Funds, Bonds, Other (1099-B).
4. Scroll down and select + Add investments.
5. Click Continue.
6. Select Enter a different way, at the bottom. 
7. Select Stocks, Bonds, Mutual Funds (options, index funds, ETFs).
8. Click Continue. 
9. Enter the name of the stock or broker, click Continue.
10. Answer the questions about the stock.
11. On the screen Now, choose how to enter your sales, select One by one, click Continue twice.
12. Enter the information from your 1099-B. For Sales section, you should see that listed above the transaction you are entering.  For What type of investment did you sell? choose stock.
13. Click Continue, then None of these apply and Continue twice.