4. Section 3 of the Principal Act is amended by omitting the definition of “methadone program treatment centre” in subsection (1) and substituting the following definition:“ ‘methadone program treatment centre' means a treatment centre or other facility where treatment, including the supply and administration of methadone, is provided to drug dependent persons for their drug dependency—
(a) conducted by 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;”.