Indiana Code Title 34. Civil Law and Procedure § 34-43-1-9

(1) execute an affidavit, either notarized or by affirmation, stating that the hospital does not have or has only a part of the subpoenaed hospital medical records; and

(2) follow the procedures in sections 5 through 8 of this chapter in delivering the part of the hospital medical records that are in the hospital's possession.