11 U.S.C. § 1109. Right to be heard

1. (a)
   (a)The Securities and Exchange Commission may raise and may appear and be heard on any issue in a case under this chapter, but the Securities and Exchange Commission may not appeal from any judgment, order, or decree entered in the case.
2. (b)
   (b)A party in interest, including the debtor, the trustee, a creditors’ committee, an equity security holders’ committee, a creditor, an equity security holder, or any indenture trustee, may raise and may appear and be heard on any issue in a case under this chapter.