Indiana Code Title 36. Local Government § 36-2-11-18

Sec. 18. (a) The recorder may allow marginal entries.

(b) If a satisfaction, cancellation, or assignment of any kind is made on the margin of a record in the recorder's office or entered as an associated document, the recorder shall immediately enter it on the entry book or into the electronic index.  The entry must show the date of entry, the name of the person who executed the instrument satisfied, cancelled, or assigned, and the name, number, and page of the record where the instrument is recorded.