This excerpt taken from the TRMK 8-K filed Nov 25, 2008.
Regular Meetings. Regular meetings of the Board of Directors shall be held on the fourth Tuesday of January, April, July, and October. Formal advance notice shall not be required. If any regular meeting shall fall on a holiday, it may be held upon such other day as may be designated by the Chairman of the Board of Directors or the President of the corporation. Regular meetings may be held without notice at the principal office of the corporation at such time as may be determined by the Chairman or President.
[This section was put in its present form effective July 17, 2007.]