Indiana Code Title 16. Health § 16-36-7-18

Sec. 18. (a) As used in this chapter and with respect to interactions between a declarant and a witness, “observe” means to perceive another's actions or expressions of intent through the senses of eyesight or hearing, or both.  A person is able to observe another's actions or expressions of intent even if the person uses technology or learned skills to:

(b) As used in this chapter and with respect to interactions between a declarant and a notarial officer, “observe” means that the notarial officer is able to see and hear, in real time, the declarant's actions and expressions of intent either in the declarant's physical presence or through audiovisual communication as defined in IC 33-42-0.5-5.