(a) A district is eligible for designation as an innovation district if the district's final and most recent performance rating under Texas Education Code (TEC), §39.054, is at least acceptable performance, as indicated in the applicable year's academic accountability manual adopted under §97.1001 of this title (relating to Accountability Rating System).(b) A board of trustees may not vote on the final approval of the innovation plan if the district is assigned either a final or preliminary rating below acceptable performance, as indicated in the applicable year's academic accountability manual adopted under §97.1001 of this title. In the event the preliminary rating is changed, the board of trustees may then vote to become an innovation district.