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United States · Federal civil procedure

When must a party answer a federal counterclaim or crossclaim?

Rule 12(a)(1)(B) requires serving the answer within twenty-one days after service of the pleading stating the counterclaim or crossclaim. A different federal statutory time, government defendant, served Rule 12 motion or qualifying Rule 6(d) service addition may change the assessment. This guide calculates no date.

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Read why no date is calculated
Period
Ordinarily twenty-one days after service, with actual service and procedural conditions
Trigger
Effective service of the pleading stating the counterclaim or crossclaim
Rule
FRCP 12(a)(1)(B)
Federal Rules of Civil Procedure

December 1, 2025 compilation

Source guide · No automated date

Establish the actual procedure and conditions

The twenty-one-day base period can require Rule 6(d) service addition. This isolated single-date preset does not select the method or determine the government, statute or motion branch. It publishes no calculated date or paid record.

FRCP 12(a)(1)(B)

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Which event starts this procedure?

Preserve the actual pleading stating the counterclaim or crossclaim and evidence of effective service.

Rule 12(a)(1)(B) concerns serving the answer. Filing or drafting an answer alone does not establish completed service.

Check the service method, any different federal statutory period, government capacity and the effect of an actual served Rule 12 motion.

FRCP 12(a)(1)(B)

Which timing conditions must be established?

  1. Identify the actual actor, pleading and required act.
  2. Establish the specified event and applicable order.
  3. Resolve the material conditions. This guide publishes no calculated date.
  4. Check final-day conditions and preserve service and filing evidence separately.

Identify actual effective service and the applicable period. Apply Rule 6(a) to the base period. Rule 6(d) adds three days only when the specified period runs after being served and service is under Rule 5(b)(2)(C), (D) or (F). Add them after the period would otherwise expire under Rule 6(a), then check the resulting final day. Office or dwelling delivery under (B), electronic service under (E), and Rule 4 original-complaint service do not automatically qualify. This single-date guide does not select the service method or publish a date.

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)

Why is no automated date published?

The twenty-one-day base period can require Rule 6(d) service addition. This isolated single-date preset does not select the method or determine the government, statute or motion branch. It publishes no calculated date or paid record.

Which conditions change the assessment?

Actual service method
Rule 6(d) adds three days only when the specified period runs after being served and service is under Rule 5(b)(2)(C), (D) or (F). Add them after the period would otherwise expire under Rule 6(a), then check the resulting final day. Office or dwelling delivery under (B), electronic service under (E), and Rule 4 original-complaint service do not automatically qualify.
Different responsive-pleading branches
Rule 12(a) yields to a different federal statutory time. Government defendants use subsections (2) or (3), and serving a Rule 12 motion invokes subsection (4) 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)(1)(B)
  • 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

Is filing the answer the required act?

Rule 12(a)(1)(B) requires serving the answer. Rule 5(d) separately addresses filing. Preserve evidence of each required act.

FRCP 5(d)

Does electronic service automatically add three days?

No. Rule 6(d) specifies Rule 5(b)(2)(C), (D) and (F). Electronic service under (E) is outside that list.

FRCP 6(d)

Does service of the original complaint start this period?

No. This question uses service of the pleading stating the counterclaim or crossclaim. The complaint-answer procedure is separate.

FRCP 12(a)(1)

Official sources and review

Provisions used (7)
Provisions used in this guide
ProvisionPurpose
FRCP 12(a)(1)(B)This actor, required act, operative event and period
FRCP 5(b)Actual service methods and effectiveness
FRCP 6(d)Conditional addition for specified Rule 5 service
FRCP 5(d)Filing as a separate act after service
FRCP 12(a)(2)–(4)Government and served-motion responsive-pleading branches
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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