Indiana Code Title 34. Civil Law and Procedure § 34-28-2-5

Sec. 5. (a) A copy of the decree of the court changing the name of any natural person, certified under the seal of the court by the clerk of the court, is sufficient evidence of the name of the person, and of a change having been made, in any court of Indiana.

(b) In the case of a petition described in section 2(b) of this chapter, the court shall send a copy of the final decree to the Indiana department of health and to the local health department of the county.

(c) In the case of a petition filed by a person at least seventeen (17) years of age, the court shall send a copy of the final decree to the clerk of the circuit court or board of registration of the county where the person resides.