Pennsylvania Statutes Title 73 P.S. Trade and Commerce § 850.808. Commonwealth pledges

(a) Pledge.--If and to the extent the management entity pledges amounts required to be transferred to the TRID Fund under section 805  1 for payment of bonds issued by the management entity, until all bonds secured by the pledge of the management entity, together with interest on the bonds, are fully paid or provided for, the Commonwealth pledges to and agrees with any person, firm, corporation or government agency, in this Commonwealth or elsewhere and pledges to and agrees with any Federal agency subscribing to or acquiring the bonds of the management entity that the Commonwealth will not, nor will it authorize any government entity to, do any of the following:

(b) Limitation.--Nothing under this section shall limit the authority of the Commonwealth to change the rate, base or subject of a specific tax or to repeal or enact any tax.