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United States · Federal civil procedure

When must a federal government defendant answer an original complaint?

For the United States, a federal agency or an officer or employee sued only officially, Rule 12(a)(2) ordinarily requires serving the answer within sixty days after service on the United States attorney. This calculator covers an original complaint with independently established Rule 4(i) service. A different statute, served Rule 12 motion or actual extension requires separate review.

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Period
60 calendar days after service on the United States attorney for this scoped original-complaint branch
Trigger
Actual original-complaint service on the United States attorney under Rule 4(i)
Rule
FRCP 12(a)(2)
Federal Rules of Civil Procedure

December 1, 2025 compilation

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Which event starts this procedure?

Establish actual original-complaint service on the United States attorney under Rule 4(i)(1)(A).

Rule 4(i) separately requires the applicable Attorney General, agency, officer or employee service components. Their dates do not replace Rule 12(a)(2)’s attorney-service event.

Confirm official capacity, no different federal statutory period, no served Rule 12 motion altering the time and no actual different court time or enlargement. Counterclaim and crossclaim service is outside this calculator’s original-complaint scope.

FRCP 12(a)(2)

How is the ordinary period counted?

  1. Identify the actual actor, pleading and required act.
  2. Establish the specified event and applicable order.
  3. Exclude the verified event day and count the scoped calendar-day period.
  4. Check final-day conditions and preserve service and filing evidence separately.

Exclude the independently established event and count each following calendar day under Rule 6(a)(1). The scoped event is not a Rule 5 service event automatically attracting Rule 6(d).

Rule 6(a)(1) excludes the event day and counts intermediate calendar days. A final Saturday, Sunday or legal holiday carries the period forward to the next qualifying day. Rule 6(a)(6) includes federal and President or Congress declared holidays, plus state-declared holidays for forward periods in the district. Qualifying clerk inaccessibility is a separate filing condition.

FRCP 6(a)(1)

What does an independently checked example show?

Fictitious example

Fictitious original-complaint service on the United States attorney is July 6. Applicable Rule 4(i) components are independently established, and the defendant is the United States, an agency or an officer sued only officially.

Example counting steps
StepWhat is countedDate
EventActual original-complaint service on the United States attorney under Rule 4(i)July 6, 2026
Count60 calendar days after service on the United States attorney for this scoped original-complaint branchSeptember 4, 2026
Example resultFriday, September 4, 2026

Fictitious dates. The applicable event is established independently. No different statute, court-set time, granted extension, additional declared holiday or clerk inaccessibility is assumed.

Try these dates in the calculator

Which conditions change the assessment?

All applicable government service components
Read Rule 4(i)(1)–(3). Service on the United States attorney does not itself prove every required service component is completed. This calculator does not decide valid service or cure.
Original complaint only
Rule 12(a)(2) also names counterclaims and crossclaims, but their Rule 5 service and possible Rule 6(d) conditions are not resolved by this original-complaint calculator.
Different capacity or motion
An officer sued individually for official acts uses Rule 12(a)(3)’s later-event comparison. Serving a Rule 12 motion can invoke Rule 12(a)(4). A different federal statutory time controls when applicable.
Actual court enlargement
Rule 6(b)(1) permits actual court enlargement for good cause. Before expiry, the court may act with or without motion or notice, or a request may be made. After expiry, a motion requires failure to act because of excusable neglect. A request or agreement is not a granted extension.
FRCP 12(a)(2)
  • This page does not establish effective service, merits, compliance or an actual court grant.
  • Service and filing are different acts. Verify both when required.

What should I verify before acting?

Common questions

This procedure and its conditions

Does later agency service replace the attorney-service date?

No. Rule 12(a)(2) specifies service on the United States attorney. Independently establish the applicable separate Rule 4(i) components without replacing that stated event.

FRCP 12(a)(2)

Does Rule 4 service by mail automatically add three days?

No. Rule 6(d) specifies service under Rule 5(b)(2)(C), (D) or (F). It does not automatically add three days to this Rule 4 original-complaint branch.

FRCP 6(d)

Does the same event apply to an officer sued individually?

Rule 12(a)(3) uses the later of officer or employee service and United States attorney service for the specified official-acts individual-capacity procedure. This calculator does not perform that comparison.

FRCP 12(a)(3)

Official sources and review

Provisions used (7)
Provisions used in this guide
ProvisionPurpose
FRCP 12(a)(2)This actor, required act, operative event and period
FRCP 4(i)Separate required government service components
FRCP 12(a)(3)–(4)Different individual-capacity and served-motion branches
FRCP 6(d)Conditional addition for specified Rule 5 service
FRCP 5(d)Filing as a separate act after service
FRCP 6(a)(1)Event exclusion and intermediate calendar days
FRCP 6(a)(3)–(6) and (b)(1)Actual final-day conditions, filing boundaries and applicable extension limits
Read the official Civil Rules compilation

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