Indiana Code Title 36. Local Government § 36-7-25-4

Sec. 4. Notwithstanding any other law, if two (2) or more units want to jointly undertake redevelopment or economic development projects in contiguous areas in the units' respective jurisdictions that benefit or serve the units' jurisdictions, the legislative body of a unit may:

The commission to which an area is assigned or allocated proceeds are pledged may then take all actions in the area or with respect to the pledged proceeds that could be taken by a commission in an allocation area or with respect to the commission's own revenues until the later of the time when an ordinance rescinding this assignment or pledge is adopted by the legislative body of the assigning or pledging unit or the date on which outstanding bonds or lease rentals payable from allocated property tax proceeds are finally retired.  The assigning unit shall continue to tax the taxpayers in the assigned portion of the allocation area at the assigning unit's tax rates.