Check the existing instrument

Checks that AIN exists, is the correct type and appears on all titles in the prepared instrument. This check is applied to title estates as well as current memorials on titles.

Checks that the instrument being discharged or withdrawn is current on all affected titles and the instrument is the correct type for the instrument. For example, when discharging a mortgage a Discharge of Mortgage has been used.

Checks whether the affected instrument number is referenced in any prior full Discharge of Mortgage instrument with a non-final status.