(a) When used in this chapter:
  (1) the word "days" refers to calendar days, unless otherwise specified; and
  (2) a "business day" is any day that is not a Saturday, a Sunday, a state or federal holiday (unless the commission is required to be open for business), or a standard Federal Reserve bank holiday.
(b) A "day" or "business day" ends at:
  (1) 5:00 p.m. Central Time for submissions by hand-delivery to a commission office or by e-mail; and
  (2) 11:59 p.m. Central Time for submissions through the commission's internet-based application information management system.
(c) Submissions by mail must be postmarked by the due date.
(d) When computing periods of time prescribed or allowed in subchapter D of this chapter:
  (1) the day of the act, event, or default from which the designated time period begins to run is not counted; and
  (2) the last day of the time period is counted, unless it is not a business day as defined by subsection (a)(2) of this section, in which case the time period will end on the next business day.

Source Note: The provisions of this §33.1 adopted to be effective December 6, 2021, 46 TexReg 7242