158.The holder of a day care centre permit that, on 1 September 1997, becomes the holder of a childcare centre permit pursuant to section 157 of this Act and that, on the said date, is also a private educational institution within the meaning of the Act respecting private education (chapter E-9.1), may not retain its childcare centre permit beyond 31 August 1999 unless it ceases to be a private educational institution.