(a) A party may file any exceptions to the proposal for decision within 15 calendar days of the date of the proposal for decision. Any replies to the exceptions shall be filed by other parties within 15 calendar days of the filing of exceptions. These time limits may be extended by agreement of the parties and the administrative law judge (ALJ). Exceptions and replies shall be:(1) served upon the other party by mail, hand-delivery, facsimile, any method allowed by the State Office of Administrative Hearings rules, or any electronic transmission agreed to by the parties; and(2) filed with the ALJ in accordance with Texas Administrative Code,