Although the same rules of procedure govern regular and special sessions, some rules specifically mention
special sessions. These rules are listed below.

Administrative Duties of Speaker: Rule 1 Chapter B Section 14
Duties of the Journal Clerk: Rule 2 Section 2
Parliamentarian: Rule 2 Section 9
Posting Notice: Rule 4 Section 11
Action on Bills Reported Unfavorably: Rule 4 Section 29
Time Limits on Speeches: Rule 5 Section 28 and Rule 7 Section 2, Explanatory Notes 3
Daily Calendars, Supplemental Calendars, and Lists of Items Eligible for Consideration: Rule 6 Section 16
Prefiling of Bills: Rule 8 Section 7
Printed Copies Required Prior to Consideration: Rule 8 Section 14(a)
Consideration in Committee: Rule 8 Section 11, Explanatory Notes 2
Special Session, Legislation That May Be Considered: Rule 8 Section 21, Explanatory Notes 1, 2, 3 and House Precedents 1, 2, 3
Consideration of Resolutions During Called Sessions: Rule 10 Section 7
Printing Senate Amendments: Rule 13 Section 5(a)
Conference Committees - Limitations on Jurisdiction: Rule 13 Section 9(f)(2)
Printing and Distribution of Reports: Rule 13 Section 10(a)

Source:
Rules and Precedents of the Texas House. [Austin, Tex.]: Texas House of Representatives, [2017].