"Tell me please, pretty please

...before my father or mother are turned into *nominated representatives*,
 
what is the *how* in the Advance Directive?"

A response to-


'...make advance directives on how they will be treated during mental illness.' - from a media report link of which is  given below

http://blogs.economictimes.indiatimes.com/et-commentary/winter-session-of-parliament-a-chance-to-pass-all-pending-bills/