Start the amendment process then revisit each income input section to add the sale and the K-3.
See this TurboTax support FAQ for amending a tax return - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-change-correct-return-a...
To enter a K-1 go to
Federal Taxes Tab ( Personal in the H&B versions )
Wages and Income
Choose Explore on my own or I'll choose what to work on (if it comes up)
Then scroll way down to Business Items
S-corps, Partnerships, and Trusts. Schedules K-1, Q - Click the Start or Update button
To enter 1099-B sales :
- Federal Taxes tab.
- Sub tab Wages & Income.
- All Income.
- Scroll down to Investment Income.
- At subtopic Stocks, Bonds, Mutual Funds click START (or revisit).
