You need your own schedule C separate from his schedule C even if the 1099 is from the same company. Sounds like he might need a second schedule C for himself too? Yes.
To add another business or Schedule C….
Go to Business tab-Continue
Business Income and Expenses
Profit or Loss from Business, click Start or Update.
You should see the Business Summary page that lists your businesses, right below the list you can Add Another Business.
Be sure to add it under the right spouse if you are married.
