1. A director shall not receive terms or be paid a rate of interest on deposits, by a state bank of which the person is a director, which are more favorable than that provided to any other customer under similar circumstances. Any waiver of ordinary or customary charges related to deposit accounts shall not violate this subsection.
 2. A director shall not purchase or lease any assets from or sell or lease any assets to a state bank of which the person is a director except upon terms not less favorable to the state bank than those offered to or by other persons. All purchases or leases from and sales or leases to a director shall receive the prior approval of a majority of the board of directors voting in the absence of the interested director.