765 ILCS 5/23
Current through Public Act 103-1052
All deeds, conveyances and powers of attorney, for the conveyance of lands lying in this state, which have been or may be acknowledged or proved and authenticated as aforesaid or in conformity with the laws of any foreign state, kingdom, empire or country, shall be deemed as good and valid in law as though acknowledged or proved in conformity with the existing laws of this state.
765 ILCS 5/23