Municipalities must voluntarily seek protection under the Bankruptcy Code. 11 U.S.C. §§ 303, 901(a). They may file a petition only under chapter 9. A case under chapter 9 concerning an unincorporated tax or special assessment district that does not have its own officials is commenced by the filing of a voluntary "petition under this chapter by such district's governing authority or the board or body having authority to levy taxes or assessments to meet the obligations of such district." 11 U.S.C. § 921(a).
A municipal debtor must file a list of creditors. 11 U.S.C. § 924. Normally, the debtor files the list of creditors with the petition. However, the bankruptcy court has discretion to fix a different time if the debtor is unable to prepare the list of creditors in the form and with the detail required by the Bankruptcy Rules at the time of filing. Fed. R. Bankr. P. 1007.