Notice under Section 68H of the Narcotic Drugs and Psychotropic Substances Act, 1985 can be issued when:

Section 68H(1) NDPS Act lets the competent authority issue the notice where, having regard to the value of the property, the person's known sources of income and other material, it "has reason to believe", for reasons recorded in writing, that the property is illegally acquired. No complaint, conviction or Government sanction is required first.