Ind. Code § 9-19-11-3.7
Notwithstanding sections 2 and 3.6 of this chapter, a person may operate a motor vehicle in which there is a child who weighs more than forty (40) pounds and who is properly restrained and fastened by a lap safety belt if:
(2) not including the operator's seat and the front passenger seat:
As added by P.L.67-2004, SEC.8. Amended by P.L.146-2009, SEC.4.