Mississippi Tax Bulletin | Newsletters Mississippi Tax Bulletin – Hold the Phone! AT&T’s Constitutional Challenge to Mississippi’s Dividend Exclusion Statute is Still Alive Related Professional(s): Alveno N. Castilla , J. Paul Varner , J. Stevenson Ray , … + View More Ashley N. Wicks April 13, 2015 Mississippi Tax Bulletin_ Hold the Phone! AT&T’s Constitutional Challenge to Mississippi’s Dividend Challenge is Still Alive