Sec. 41. The commission may not take action on a petition, approve a proposed rezoning or zoning variance, or issue a certificate of appropriateness based upon verbal assurances or unwritten agreements or commitments made by a person concerning any of the following:
(1) A future use or development of the subject property.
(2) A restriction or limitation in the character, nature, or style of a contingent, possible, or proposed use or construction:
(A) for which the person seeks; or
(B) that would be permitted by;
the rezoning, zoning variance, or certificate of appropriateness.
(3) An undertaking concerning the planning, design, or implementation of a contingent or possible use or proposed construction.