303(a)—Who case can be brought against.  An involuntary case may be commenced under Ch. 7 or 11, and only against a person (defined term), except a farmer, family farmer, or a corp that is not a money, business or commercial corp, that may be a debtor under the chapter under which such case is commenced.
1.    101(41)—Definition of person—includes individual, partnership and corporation.
2.    101(9)—Definition of Corporation—include unincorporated individual.
3.    Note:  Can’t file against corp that is not for money/business—this could include non-profit orgs and election campaigns.
4.    Note—remember that if you can’t file involuntary b/r, there may still be a state law remedy available.  These include:
a.    prejudgment remedies—like freezing of assets
b.    appointment of a receiver—sort of like a trustee put in place to ensure that funds aren’t dissipated.  (this remedy usually tends to be regulatory).
c.    Judgment.