Ind. Code § 33-42-0.5-23

Sec. 23. (a) "Principal" means an individual:

(1) whose signature is reflected on a document that is notarized;

(2) who has taken an oath or affirmation administered by a notarial officer; or

(3) whose signature is reflected on a document that is notarized after the individual has taken an oath or affirmation administered by a notarial officer.

(b) Except as provided in subsection (c), for purposes of a remote notarial act, "principal" means an individual:

(1) whose electronic signature is reflected on a document that is notarized and contained in an electronic record;

(2) who has taken an oath or affirmation administered by a remote notary public; or

(3) whose electronic signature is reflected on a document that is notarized and contained in an electronic record after an individual has taken an oath or affirmation administered by a remote notary public.

(c) A principal, for purposes of a remote notarial act, does not include an individual who has taken an oath or affirmation administered by a remote notary public in the capacity of a witness for a remote notarial act.