501A.906  Restriction on transfer or registration of membership interests.
  1.  How imposed.  A restriction on the transfer or registration of transfer of membership interests of a cooperative may be imposed in the articles, in the bylaws, by a resolution adopted by the members, or by an agreement among or other written action by a number of members or holders of other membership interests or among them and the cooperative. A restriction is not binding with respect to membership interests issued prior to the adoption of the restriction, unless the holders of those membership interests are parties to the agreement or voted in favor of the restriction.
  2.  Restrictions permitted.
  a.  A written restriction on the transfer or registration of transfer of membership interests of a cooperative that is not manifestly unreasonable under the circumstances may be enforced against the holder of the restricted membership interests or a successor or transferee of the holder, including a pledgee or a legal representative, if the restriction is any of the following:
  (1)  Noted conspicuously on the face or back of the certificate.
  (2)  Included in this chapter or the articles or bylaws.
  (3)  Included in information sent to the holders of uncertificated membership interests.
  b.  Unless otherwise restricted by this chapter, the articles, bylaws, noted conspicuously on the face or back of the certificate, or included in information sent to the holders of uncertificated membership interests, a restriction, even though permitted by this section, is ineffective against a person without knowledge of the restriction. A restriction under this section is deemed to be noted conspicuously and is effective if the existence of the restriction is stated on the certificate and reference is made to a separate document creating or describing the restriction.
2005 Acts, ch 135, §72; 2012 Acts, ch 1023, §157
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