Indiana Code Title 32. Property § 32-17-3-4

Sec. 4. (a) A joint deed of conveyance by a husband and wife is sufficient to convey and pass any interest described in the deed of either or both of them in land held by them as:

(b) An executed and recorded power of attorney by one (1) spouse to the other spouse authorizing the conveyance by the attorney in fact of any interest owned:

enables the attorney in fact through the exercise of the power of attorney to effectively convey the interest in land by individually making a deed of conveyance.