If I shared a Marketplace policy with more than one person, do I need to enter all the people's social security number?

[Coleen3]

Yes, full information requested will be need to be entered in the program.

[poodlewarrior]

The program only allowed me to enter only one other person. I have three people in the policy.

[Coleen3]

I just tried in my practice program and had no problem. Delete the form and try again.
Here are the steps for deleting unwanted forms in TurboTax Online:
Open your return in TurboTax. (To do this, sign in to TurboTax, and select the Take me to my return button.)
In the left side bar, select Tax Tools> Tools.
In the pop-up window Tool Center, choose Delete a form.
Select Delete next to the form/schedule/worksheet and follow the onscreen instructions.