1 [BDO LETTERHEAD] EXHIBIT 23 Securities and Exchange Commission December 22, 1995 450 Fifth Street N.W. Washington, D.C. 20549 Gentlemen: We have been furnished with a copy of the response to Item 4 of Form 8-K for the event that occurred on December 13, 1995, to be filed by our client, Commercial National Financial Corporation. We agree with the statements made in response to that Item insofar as they relate to our Firm. Very truly yours, BDO Seidman, LLP