3. Section 3 of the Principal Act is amended by omitting from subsection (1) the definition of “methadone program treatment centre” and substituting the following definition:“ ‘methadone program treatment centre' means a treatment centre or other facility where methadone is administered to drug dependent persons for the treatment of their drug dependency—
(a) conducted by the Board or the Territory; or
(b) approved under Division 4 of Part IX for that purpose;
whether or not the primary purpose of the centre or facility is to provide treatment for persons who are drug dependent;”.