19. The Société shall pay all the municipal and school taxes imposed on the immoveable property in its possession.
Nevertheless, the Société, notwithstanding any contrary legislative provision, may enter into agreements with corporations of school commissioners, trustees or administrators for the payment of fixed sums of money in lieu of any and all taxes, contributions, assessments or dues for municipal services, whatever the nature of such taxes, contributions, assessments or dues.
Every agreement entered into under the preceding paragraph comes into force from its approval by the Government.