1.  Right to vote.  Except as otherwise provided in this section, only a qualified person may vote the shares of a professional corporation.  

2.  Proxies.  Only a qualified person may be appointed a proxy to vote shares of a professional corporation.  

3.  Voting trusts.  A voting trust with respect to shares of a professional corporation is not valid unless all of its trustees and beneficiaries are qualified persons; except that, if a beneficiary who is a qualified person dies or becomes a disqualified person, a voting trust valid under this subsection continues to be valid for 10 months after the date of death or for 5 months after the disqualification occurred.  

4.  Limited voting right.  Any shares transferred to a disqualified person by reason of the death of a qualified person or by operation of law may be voted by such disqualified person only for the purposes of amending the articles of incorporation to convert to a regular business corporation or dissolving the professional corporation.