IRVINE, Calif., Jan. 29, 2018 /PRNewswire/ — CommerceWest Bank (OTCBB: CWBK) The Bank took a charge to tax expense of $528,000 in the fourth quarter of 2017 for the impact of the change in tax rates resulting from the enactment of the Tax Cuts and Jobs Act (“TCJA”) on December 22, 2017. …