@aartrace You each file your own Schedule C with your SSN on the form.
The part of that link I was referring to is reproduced below.
What to Do if the Spouses Already Have an EIN for the Partnership
One spouse cannot continue to use that EIN for the qualified joint venture. The EIN must remain with the partnership (and be used by the partnership for any year in which the requirements of a qualified joint venture are not met). If you need EINs for the sole proprietorships, see above on EINs for sole proprietors.
