11 U.S.C. § 545. Statutory liens

The trustee may avoid the fixing of a statutory lien on property of the debtor to the extent that such lien—

1. (1)
   (1)

   first becomes effective against the debtor—

   1. (A)
      (1)(A)when a case under this title concerning the debtor is commenced;
   2. (B)
      (1)(B)when an insolvency proceeding other than under this title concerning the debtor is commenced;
   3. (C)
      (1)(C)when a custodian is appointed or authorized to take or takes possession;
   4. (D)
      (1)(D)when the debtor becomes insolvent;
   5. (E)
      (1)(E)when the debtor’s financial condition fails to meet a specified standard; or
   6. (F)
      (1)(F)at the time of an execution against property of the debtor levied at the instance of an entity other than the holder of such statutory lien;
2. (2)
   (2)is not perfected or enforceable at the time of the commencement of the case against a bona fide purchaser that purchases such property at the time of the commencement of the case, whether or not such a purchaser exists, except in any case in which a purchaser is a purchaser described in section 6323 of the Internal Revenue Code of 1986, or in any other similar provision of State or local law;
3. (3)
   (3)is for rent; or
4. (4)
   (4)is a lien of distress for rent.