court and serve on the trustee and all parties in interest a report that details the efforts the debtor has undertaken and will undertake to attain a consensual plan of reorganization. 1189. Filing of the plan (a) Who may file a plan Only the debtor may file a plan under this subchapter. (b) Deadline The debtor shall file a plan not later than 90 days after the order for relief under this chapter, except that the court may extend the period if the need for the extension is attributable to circumstances for which the debtor should not justly be held accountable. 1190. Contents of plan A plan filed under this subchapter— (1) shall include— (A) a brief history of the business operations of the debtor