310 ILCS 5/25

The Illinois Housing Development Authority may permit the consolidation of 2 or more approved projects or the extension or amendment of any approved project or the consolidation of any approved project with a proposed project. In any of these events, the consolidated project shall be treated as an original project and an application shall be submitted as in the case of an original project and rents may be averaged throughout the consolidated or extended project. The Illinois Housing Development Authority may likewise permit any housing corporation to organize and operate more than one project or to take over any project heretofore approved by the Illinois Housing Development Authority and to operate it independently of other projects of the corporation. The Illinois Housing Development Authority may decline to permit more than one project to be operated by the same housing corporation.