Ind. Code § 24-4-6-1
(a) This section does not apply to the following:
(b) A person who engages in the business of buying, selling, or trading motor vehicles on Sunday commits a Class B misdemeanor.
As added by Acts 1977, P.L.26, SEC.11. Amended by P.L.156-2006, SEC.24; P.L.89-2012, SEC.1; P.L.92-2013, SEC.81.