TERM OF DISTRICT. The Authority and the City agree not to take or omit to take any action that would in any way contribute to or cause the elimination of any portion of the area or duration of the Increment District or that would in any way reduce or otherwise jeopardize the Tax Increment to be apportioned to the Increment District; provided however, this provision shall not be construed to prohibit the City, from time to time in the normal course of its legislative powers, from proposing changes in taxing measures that may impact the applicable levies and resulting Tax Increment.