Section 6-2.5-1-2 - "Retail transaction" and "retail unitary transaction"(a) "Retail transaction" means a transaction of a retail merchant that constitutes selling at retail as described in IC 6-2.5-4-1 or that is described in any other section of IC 6-2.5-4.(b) "Retail unitary transaction" means a unitary transaction that is also a retail transaction.Amended by P.L. 137-2022,SEC. 13, eff. 7/1/2022.As added by Acts1980 , P.L. 52, SEC.1.