...Sale Date: Feb. 2, 2017 via negotiation. Series: $54,675,000 Unlimited Tax School Building Bonds, Series 2017. Purpose: Facility construction, renovation and improvement projects. Security: Unlimited property tax levied against all property within the Azle Independent School district (Azle ISD, or the district) and further secured by the Texas Permanent School Fund guaranty. The upgrade of the Issuer Default Rating (IDR) and unlimited tax bond (ULT) rating to `AA' from `AA-' reflects application of Fitch Ratings' revised criteria for U.S. state and local governments, released in April 2016. In particular, the criteria highlight the positive credit impacts of the district's low long-term liabilities and strong operating performance....