Why is CML required along with DIS?

Why is CML required along with DIS?

Clients have to submit the latest CML of outside target demat a/c along with DIS when the share transfer reason is mentioned as � Transfer to own account �. Holder names with the source & target demat account are one and same and in the same order while accepting the DIS. (wire Circular no. 2022/04/006 dated 23rd April ,2022)