55 ILCS 5/1-4018
The adjoining county shall not become liable for the debts of the petitioning county. The county board of the adjoining county shall have all the powers which the county board of the petitioning county had at the date of the said proclamation of the Governor, to levy taxes upon all the property in the territory which had before the aforesaid proclamation constituted the petitioning county, to pay the debts of the petitioning county. The county board of the adjoining county shall have full power to compromise the debts of the petitioning county; and shall have full power to issue bonds in settlement or compromise of the debts of the petitioning county, which debts may be funded by the adjoining county in bonds issued by that county, setting forth upon their face that the principal and interest of said bonds shall be paid from taxes levied upon the property within the territory which had constituted the petitioning county. And the county board of the adjoining county may submit to the legal voters of the adjoining county, as it will be constituted after the said proclamation of the Governor, a proposition to consolidate the debts of the petitioning and adjoining counties; and if a majority of legal voters of said adjoining county, and a majority of the legal voters residing in the territory that had constituted the petitioning county, at any general election shall be in favor of the consolidation of said debts, the same shall be consolidated, and bonds may be issued therefor in the name of the adjoining county. All suits that might have been brought against the petitioning county, may be brought after the proclamation aforesaid against the adjoining county; and any judgment that may be rendered in said suits may be paid by taxation upon the property in the territory that had constituted the petitioning county. In any funding of the consolidated debts of the said petitioning or adjoining county, the bonds issued shall not bear a greater rate of interest than five per cent.
55 ILCS 5/1-4018