6. A common municipal court may be established1° by local municipalities, provided their territories are situated within the territory of the same regional county municipality or, as the case may be, within that of the same urban community;
2° by local municipalities wishing to extend the territorial jurisdiction of an existing local municipal court, provided the requirement as to their territories set out in paragraph 1 is met;
3° by a regional county municipality to which local municipalities have delegated the authority to do so, provided the requirement as to the territories of the local municipalities set out in paragraph 1 is met;
4° by two of more regional county municipalities contemplated by paragraph 3, provided their territories are contiguous.