First, the business structure changed and therefore a new EIN is required for the new entity, for tax purposes, if unincorporated, a partnership. Click here for the IRS reference.
Next as a multimember LLC unincorporated you will file as a partnership using form 1065 and issuing K-1s to the partners to use on the individual returns.
On the partnership return, the date started will be the date the new now partnership began. The box indicating initial return will be checked.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
