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United States · Supreme Court

When must I file the Supreme Court joint appendix?

Supreme Court Rule 26.1 ordinarily requires the petitioner or appellant to file the joint appendix within 45 days after entry of the qualifying Court order. This default excludes Clerk-approved deferral. Check actual directions, required copies, separate service and the printing-cost statement.

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Period
45 calendar days
Trigger
Entry of the Supreme Court grant or jurisdiction order
Rule
Supreme Court Rule 26.1
Rules of the Supreme Court of the United States

Adopted February 17, 2026, effective March 16, 2026

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Which event starts this period?

Use entry of the order granting certiorari, noting probable jurisdiction or postponing consideration of jurisdiction.

Confirm whether the Clerk has allowed the deferred method. A request alone does not establish permission.

Check whether the Court dispensed with the appendix or changed a time limit under Rule 26.8 or 26.9.

Supreme Court Rule 26.1

How are the 45 days counted?

  1. Use entry of the grant, probable-jurisdiction or postponed-jurisdiction order. Confirm that the Clerk has not allowed deferral.
  2. Exclude the established trigger day.
  3. Count 45 calendar days.
  4. Apply Rule 30.1 final-day adjustment.
  5. Complete the required filing 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.

The ordinary period follows order entry. It does not restart when parties agree contents, receive a brief or arrange printing.

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 30

What does an ordinary calculation look like?

Fictitious example

Fictitious entry of an order granting certiorari on August 24, 2026. The Clerk has not allowed a deferred appendix and no other order changes the ordinary time. Exclude the established trigger day, August 24, 2026. Counting 45 calendar days reaches October 8, 2026. The final day is an open weekday.

Example counting steps
StepWhat is countedDate
TriggerEntry of the Supreme Court grant or jurisdiction orderAugust 24, 2026
Count45 calendar daysOctober 8, 2026
Example resultThursday, October 8, 2026

Fictitious facts and dates. No different schedule, additional Court closure or extension is assumed.

Try these dates in the calculator

Which qualifications can change the procedure?

Approved deferral
If the Clerk allows Rule 26.4 deferral, the petitioner or appellant files no more than 14 days after receiving the respondent’s brief. Use that separate receipt-based procedure.
Required copies and service
Rule 26.1 ordinarily requires 40 copies prepared under Rule 33.1 and service of three copies on each other party under Rule 29.
Printing-cost statement
Rule 26.3 requires an immediate filed and served cost statement when the appendix is filed. Party agreements and disputed unnecessary portions have separate allocation provisions.
Dispensed appendix or changed time
The Court may dispense with the appendix under Rule 26.8. Rule 26.9 allows specified shortening or extension for good cause. Read the actual direction.
Supreme Court Rule 26.1
  • 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

Does requesting deferral replace the ordinary date?

Rule 26.4 requires the Clerk to allow deferral on the parties’ request. Confirm permission before using its 14-day receipt-based period.

Supreme Court Rule 26.4

Does filing the petitioner’s merits brief also complete the appendix requirement?

No. Rules 25.1 and 26.1 govern separate documents. Check the actual appendix direction, copies and service.

Supreme Court Rule 26.1

Is a printing-cost statement required when the appendix is filed?

Rule 26.3 requires the petitioner or appellant immediately to file the cost statement and serve a copy on each other party.

Supreme Court Rule 26.3

Computation 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 30

Does 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 29.7

Official sources and scope

Provisions used (10)
Provisions used in this guide
ProvisionPurpose
Supreme Court Rule 26.1This procedure’s actor, trigger, period and required act
Supreme Court Rule 26.1–2 continuationThe identified related procedural qualification
Supreme Court Rule 26.3–4The identified related procedural qualification
Supreme Court Rule 26.8–9The identified related procedural qualification
Supreme Court Rule 30.1The identified related procedural qualification
Supreme Court Rule 30Computation, closures and authorized extension procedure
Supreme Court Rule 29.1–3The identified related procedural qualification
Supreme Court Rule 29.2–3The identified related procedural qualification
Supreme Court Rule 29.7The identified related procedural qualification
Electronic Filing Guidelines, March 2026Current electronic requirements, exceptions and separate service
Read the current Supreme Court rules

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