1. (a) Each TEX-AN user shall be billed for its respective use of TEX-AN services on a monthly basis. TEX-AN users will be billed for the following:

   1. (1) variable recurring costs for usage sensitive services;
   2. (2) fixed recurring costs for non-usage sensitive services;
   3. (3) TEX-AN user's proportionate use of common telecommunications services, operational costs, and/or equipment for said services provided to all or some TEX-AN users;
   4. (4) TEX-AN user's nonrecurring charges for any telecommunications services and/or equipment provided by the TSD;
   5. (5) TSD's administrative overhead charge in an amount not to exceed 15% of the total of the costs listed in paragraphs (1) - (4) of this subsection;
   6. (6) employee, and
   7. (7) fringe benefits bill rate intervention.
2. (b) Each TEX-AN user shall make payment in full in accordance with prompt payment law and policies.
3. (c) Any institution of higher education extending TEX-AN service to students is responsible for payment directly to the commission of the total charges billed, regardless of whether it is able to collect the student's contribution of the payment.
4. (d) Inquiries, corrections, changes or modifications by TEX-AN users to its bill must be made in writing to the TSD within 60 days of TSD issuance of the bill , including all requests for additional time to research billing issues. All requests for additional time beyond the 60 day period are subject to written approval of the executive director or his designee. Any adjustments to amounts due will be made in a subsequent billing period after resolution of the questioned charges.
5. (e) In order to maintain sufficient amounts in the telecommunications revolving account to make timely payments to the telecommunications service providers, the commission may require any TEX-AN users to make advance payments based on 80 % of the average of each TEX-AN user's prior three-month billing exclusive of charges described in subsection (a) (4) of this section. Advance payments which are not equal to the actual amount due for the subsequent payment period will be adjusted accordingly.

Source Note:The provisions of this §121.5 adopted to be effective November 8, 1994, 19 TexReg 8541; amended to be effective July 27, 2000, 25 TexReg 6977.