such notice was served. If the governmental unit has not filed a timely proof of the claim, the debtor or trustee may file proof of the claim that is consistent with the notice served under paragraph (2). If a proof of claim is filed by the debtor or trustee under this paragraph, the governmental unit may not amend the proof of claim. (4) A claim filed under this subsection shall be determined and shall be allowed under subsection (a), (b), or (c) of section 502, or disallowed under subsection (d) or (e) of section 502, in the same manner as if the claim had arisen immediately before the date of the filing of the petition. . (b) Technical and conforming amendments (1) In general Subchapter II of chapter 12 of title 11, United States Code, is amended— (A) in section 1222(a)— (i) in paragraph (2), by striking unless— and all that follows through the holder and inserting unless the holder