When must a defendant serve an answer under the thirty-day completion-based route?

CPLR 3012(c) gives thirty days after service is complete where the complaint accompanies the summons and a listed service route applies. The actual method and legal completion event control. A summons without a complaint and an actual extension or qualifying motion require separate analysis.

Responsible actor. The defendant required to serve the answer.

Confirm that the complaint was served with the summons and that CPLR 3012(c) applies.

Identify the particular statutory service route and all legally required completion acts.

For CPLR 308(2) or (4), preserve the proof-filing event and required delivery or mailing facts.

Check actual extensions, qualifying motions and any later complaint sequence before selecting an answer endpoint.

This source guide requires simultaneous-service eligibility, the actual method and legal completion. It publishes no automatic date or paid calculation. A generic thirty-day count cannot establish those facts.

1. Identify the actor, required act and governing procedural branch.
2. Establish the operative event, actual service route, completion and every controlling order.
3. Apply only the provision’s stated calendar model or minimum interval, with all necessary comparisons.
4. Check eligibility, local requirements, completed service or filing and any separate controlling period.

General Construction Law 20 ordinarily excludes the event day and counts calendar days. Establish the legal service-completion event before counting a completion-based period. CPLR 2103 additions require their stated service and procedural conditions; do not transfer pending-action paper additions automatically to original summons service. This guide publishes explanatory scenarios only.

Check General Construction Law 25-a and the actual applicable court, public holidays, orders and procedural branch. A closed-day rule for a forward act must not be used mechanically to shorten a minimum notice interval before a hearing. This guide supplies no automatic carry or inferred hearing date.

This source guide requires simultaneous-service eligibility, the actual method and legal completion. It publishes no automatic date or paid calculation. A generic thirty-day count cannot establish those facts.

Assume the complaint accompanied the summons, the CPLR 3012(c) route applies and service legally completed October 6, 2026. The thirty-day illustration reaches November 5. It measures from legal completion, not a guessed delivery date. The example concerns serving the answer, not every possible appearance act. No computed result is published.

Assume qualifying simultaneous summons-and-complaint service under CPLR 308(2), with required proof filed October 6. The ten-day completion interval reaches October 16. The thirty-day answer period then reaches November 15, a Sunday. Establish completion and applicable final-day treatment. Counting thirty days from the original delivery or proof filing would skip a statutory step.

Assume the applicable route legally completed October 16 and no different extension or motion. The ordinary thirty-day endpoint is Sunday, November 15. Under the stated ordinary forward-act assumptions the next business-day illustration is November 16. Actual service, orders and the final-day law must be established. The guide does not return a date.

Assume the defendant received a summons without a complaint and demanded the complaint October 6, 2026. CPLR 3012(b), rather than an assumed simultaneous-service thirty-day branch, addresses the complaint demand and subsequent response sequence. Preserve the demand and later complaint service. Do not choose a thirty-day answer event from the summons date alone.

Simultaneous service condition

CPLR 3012(c) concerns the complaint served with the summons by its listed routes. Do not transfer this branch to a summons-only sequence.

Method-dependent completion

The actual service provision supplies completion. CPLR 308(2) and (4) expressly use ten days after required proof filing.

Actual extension or motion

CPLR 3012(d) permits specified relief. A qualifying CPLR 3211 motion can affect the pleading sequence under subdivision (f). Actual facts and granted relief matter.

• This source guide requires simultaneous-service eligibility, the actual method and legal completion. It publishes no automatic date or paid calculation. A generic thirty-day count cannot establish those facts.
• Serving the answer is narrower than appearing. The twenty-day answer branch, completion-based thirty-day branch and summons-without-complaint sequence must remain distinct.

• Preserve the summons and complaint and their actual service sequence.
• Identify the CPLR 3012(c) service route.
• Establish legal completion from the actual provision and evidence.
• Check actual extension or motion history.
• Serve the required answer and preserve proof of completed service.
• The required act is service of the answer under the applicable procedure. Establish any required filing and service separately; a prepared pleading or appearance notice alone does not prove answer service.