A municipal corporation shall grant a credit against its tax on income to a resident of the municipal corporation who works in a joint economic development zone created under section 715.691 or a joint economic development district created under section 715.70, 715.71, or 715.72 of the Revised Code to the same extent that it grants a credit against its tax on income to its residents who are employed in another municipal corporation.
R.C. §718.16