(a)      Deadline for Amendment in Unconfirmed Chapter 13 Case.  To be considered at a confirmation hearing, an amended schedule or statement of financial affairs in a chapter 13 case must be filed no later than 14 days before the confirmation hearing. 

(b)     Service Requirements. If an amended schedule adds a creditor or modifies a creditor’s name or address, the debtor must:

(1)      serve a copy of the notice of the § 341 meeting of creditors (or any amended notice) containing the debtor’s complete social security number, on the added creditors and all creditors whose name or address was modified, even if the date first set for the § 341 meeting of creditors has passed; and

(2)      file a certificate of service.