(27) The term “governmental unit” means United States; State; Commonwealth; District; Territory; municipality; foreign state; department, agency, or instrumentality of the United States (but not a United States trustee while serving as a trustee in a case under this title), a State, a Commonwealth, a District, a Territory, a municipality, or a foreign state; or other foreign or domestic government.
Therefore, any ‘Governmental unit’ that sell bonds as loan guarantee agreements and pensions subject to the IRS code should be able to file bankruptcy.