United States · Supreme Court
When must I serve the initial joint appendix designation?
Without agreement on contents, Supreme Court Rule 26.2 ordinarily requires the petitioner or appellant to serve its joint appendix designation within 10 days after entry of the qualifying order. This is service, not appendix filing. Clerk-approved deferral uses designations when each brief is served.
- Period
- 10 calendar days
- Trigger
- Entry of the Supreme Court grant or jurisdiction order
- Rule
- Supreme Court Rule 26.2
Adopted February 17, 2026, effective March 16, 2026
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Which event starts this period?
Verify entry of the order granting certiorari, noting probable jurisdiction or postponing jurisdiction.
Determine whether the parties agreed appendix contents. Rule 26.2 gives this service requirement in the absence of agreement.
Check for Clerk-approved deferral. Rule 26.4 changes when designations occur, rather than applying this ordinary ten-day order count.
Supreme Court Rule 26.2How are the 10 days counted?
- Use the qualifying order’s entry date. Confirm no contents agreement and no approved deferred method.
- Exclude the established trigger day.
- Count 10 calendar days.
- Apply Rule 30.1 final-day adjustment.
- Complete the required service by that date.
Supreme Court Rule 30.1 excludes the trigger day and includes every intermediate calendar day. For periods shorter than seven days it excludes intermediate closed days. Each fixed period reviewed here is at least seven days.
Serve the designation on the respondent or appellee within the computed period. Filing an appendix later does not retroactively prove timely designation service.
If the final day is Saturday, Sunday, a federal legal holiday listed in 5 U.S.C. 6103 or a Court-building closure ordered by the Court or Chief Justice, Rule 30.1 continues the period to the next day that is none of those. Check actual Court closure orders. The calculator does not infer additional closures.
Supreme Court Rule 30What does an ordinary calculation look like?
Fictitious example
Fictitious entry of a certiorari grant on August 24, 2026. Contents are not agreed and the ordinary appendix method applies. Exclude the established trigger day, August 24, 2026. Counting 10 calendar days reaches September 3, 2026. The final day is an open weekday.
| Step | What is counted | Date |
|---|---|---|
| Trigger | Entry of the Supreme Court grant or jurisdiction order | August 24, 2026 |
| Count | 10 calendar days | September 3, 2026 |
Fictitious facts and dates. No different schedule, additional Court closure or extension is assumed.
Try these dates in the calculatorWhich qualifications can change the procedure?
- Contents agreement
- Rule 26.2 encourages agreement. The ordinary designation requirement applies in the absence of agreement.
- Approved deferred method
- Under Rule 26.4, each party designates when its brief is served. A requested but unapproved deferral does not establish that method.
- Necessary record portions
- Counsel should designate only materials the Court should examine. A party may refer to relevant record portions not reproduced in the appendix.
- Changed time limits
- Rule 26.9 permits specified good-cause changes. Use the actual direction rather than assuming a pending request modifies the ten days.
- The calculator counts the encoded default period after an established trigger. It does not determine jurisdiction, party alignment or the effect of a particular order.
- Check the Court’s docket, actual directions and proof of the required act.
What should I check before completing the required act?
Common questions
The specific procedure
Is the ten-day act filing the joint appendix?
No. Rule 26.2 requires service of the designation on the respondent or appellee. Rule 26.1 separately addresses filing the ordinary appendix.
Supreme Court Rule 26.2Must I use this designation count if contents are agreed?
Rule 26.2 states the designation requirement in the absence of agreement. Confirm the actual agreement and any Court direction.
Supreme Court Rule 26.2Does the ordinary ten-day count apply after approved deferral?
Rule 26.4 requires each party to make its designation when its brief is served. That is a different event from the ordinary order-entry trigger.
Supreme Court Rule 26.4Computation and service
Which closed days does the Supreme Court count?
Rule 30.1 uses Saturdays, Sundays, federal legal holidays listed in 5 U.S.C. 6103 and a Court-building closure ordered by the Court or Chief Justice. It does not import every state or DC holiday. Check actual Court closure orders.
Supreme Court Rule 30Does electronic Court filing complete the required service?
No. Rule 29.7 expressly says submission to the Court’s electronic system does not itself transmit the document to other parties. The March 2026 guidelines also distinguish automatic case notifications from formal service.
Supreme Court Rule 29.7Official sources and scope
Provisions used (9)
| Provision | Purpose |
|---|---|
| Supreme Court Rule 26.2 | This procedure’s actor, trigger, period and required act |
| Supreme Court Rule 26.4 | The identified related procedural qualification |
| Supreme Court Rule 26.9 | The identified related procedural qualification |
| Supreme Court Rule 30.1 | The identified related procedural qualification |
| Supreme Court Rule 30 | Computation, closures and authorized extension procedure |
| Supreme Court Rule 29.1–3 | The identified related procedural qualification |
| Supreme Court Rule 29.2–3 | The identified related procedural qualification |
| Supreme Court Rule 29.7 | The identified related procedural qualification |
| Electronic Filing Guidelines, March 2026 | Current electronic requirements, exceptions and separate service |