1. Notwithstanding any other legislative provision, a subsidy payable to a public body, including a body listed in subparagraphs 1 to 4 of the first paragraph of section 69.6 of the Financial Administration Act (chapter A-6), or to a municipal body, shall not be withheld or cancelled, and the amount or date of the payment shall not be changed, where the subsidy is for the payment in capital and interest of a duly authorized loan of such a body.