Get your taxes done using TurboTax

To enter Boxes 1d, 1f and 1g on Form 1099-B, click edit next to your 1099-B entries, and scroll down to Box 1d - Proceeds and enter the amount. Continue to scroll down until you see "I have other boxes on my 1099-B to enter" and then click the box to expand the screen to show more boxes. You will see Box 1f - Accrued market discount and Box 1g -  Wash sale loss disallowed. Please see the screenshots below.