554.Every health and social services council established under the Act respecting health services and social services (chapter S-5), as it read before 1 October 1992, other than a council mentioned in section 620, shall cease to exist in its territory from 1 October 1992, and the rights and obligations of that council shall become, without further formality, the rights and obligations of the regional board established under this Act which has its head office at the place where the council had its head office.