You will not be required to obtain a new EIN if the following is true:
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A new LLC with one owner (single member LLC) is formed under state law, does not choose to be taxed as a corporation or S corporation, and has no employees or excise tax liability. NOTE: You may request an EIN for banking or state tax purposes, but an EIN is not required for federal tax purposes.
See https://www.irs.gov/businesses/small-businesses-self-employed/do-you-need-a-new-ein
