27.Section 3 of the Act amends the definition of “mental disorder” in the 1984 Act and the 1995 Act.  It provides that the term ‘mental illness’ includes within it “personality disorder’.  For the purposes of the new restriction now contained in sections 64(A1), 66(1A), 68(2A) and 74(1B) of the 1984 Act, this amendment had effect from 1 September, 1999.
Commentary on Sections of the Act Section 3