(a) a description of any pending or threatened legal proceedings which may affect the validity of the obligations or have a material adverse effect upon the ability of the issuer to pay the obligations, or on the market therefor;
(b) any proposed legal opinion approving the obligations, or a summary thereof; and
(c) a description of the tax status of the obligations and the interest thereon.
The parts of the official statement describing legal matters shall contain at least the following information: