Connecticut Proof of Service
Connecticut requires a state marshal, constable, or other officer authorized by statute to serve a summons and complaint, an ordinary adult may serve only where a specific statute allows it, and there is no separate numbered proof-of-service form because the officer's sworn return is endorsed on the summons itself.
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Introduction
In Connecticut, a summons and complaint must be served by a state marshal, constable, or other officer authorized by statute (Conn. Gen. Stat. Section 52-50(a)). An ordinary adult may serve only where a separate statute authorizes it; an unauthorized person who serves anyway commits a class A misdemeanor (Section 52-50(b)). A party can never serve their own summons. The mandatory statewide summons is form JD-CV-1. There is no separate proof-of-service form; the officer's sworn Return of Service is endorsed on, or attached to, the same JD-CV-1 filed with the court. The return is made under oath as part of the official act, so no notary is involved. Personal service means the officer reads the process in the defendant's hearing or leaves an attested copy with the defendant. Abode service means leaving a true and attested copy at the defendant's usual place of abode, with no household member required. Mail alone is not valid on an in-state individual; certified or registered mail supplements officer service only for certain partnerships and associations. Service must occur at least 12 days before the return day chosen when the writ was signed, and the return must reach the clerk at least six days before that day. Later papers go to the attorney of record or self-represented party, proved by a certificate of service under Practice Book Section 10-14(a). Federal, out-of-country, and government service follow separate rules not covered here. Because the return is sworn, never misstate service facts. Attorney review is available before you file.
Key Things to Know
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Connecticut requires a state marshal, constable, or other officer authorized by statute to serve a civil summons and complaint; an ordinary adult (an indifferent person) may serve only where a specific statute authorizes it in that situation (Conn. Gen. Stat. Section 52-50(a)-(b), narrowed by P.A. 23-23 effective October 1, 2023). The mandatory statewide summons is form JD-CV-1; there is no separate numbered proof-of-service form, since the officer's sworn Return of Service is endorsed on, or attached to, the JD-CV-1 itself.
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A party to the case cannot serve their own summons and complaint, and cannot simply ask an unauthorized friend to do it either. An indifferent person who serves process while knowing they are not authorized to do so commits a class A misdemeanor (Conn. Gen. Stat. Section 52-50(b)).
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For the initial summons, the state marshal or constable's Return of Service is a sworn endorsement made under oath as part of the officer's official act; no notary public is involved. For later papers, Practice Book Section 10-14(a) instead allows a written acknowledgment of service, a certificate of counsel or the self-represented party, or an affidavit, and these methods of proof are not exclusive.
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Personal service means the officer reads the process and complaint in the defendant's hearing, or leaves an attested copy with the defendant in hand (Conn. Gen. Stat. Section 52-54). Abode service means leaving a true and attested copy at the defendant's usual place of abode; unlike most states, Connecticut does not require leaving it with any particular household member, and the officer notes the address used in the return.
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Mail alone is not a valid way to serve a summons and complaint on an in-state individual defendant; Conn. Gen. Stat. Sections 52-54 and 52-57(a) require in-hand or abode delivery by an officer. Certified or registered mail, return receipt requested, appears only as a required supplement to officer service for certain partnerships and voluntary associations (Section 52-57(d)-(e)).
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Civil process returnable to the Superior Court must be served at least 12 days, inclusive, before the return day chosen when the writ was signed (Conn. Gen. Stat. Section 52-46), and the completed return must reach the clerk at least six days before that same return day (Section 52-46a). The return day itself must be a Tuesday set no later than two months after the process was signed (Section 52-48).
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Later papers, like motions and notices, go to the attorney of record or the self-represented party by delivery, by mail, which is complete upon mailing, or by electronic delivery, mandatory for attorneys not exempt from e-filing (Practice Book Sections 10-12, 10-13). Proof is a certificate of service under Practice Book Section 10-14(a), which is not exclusive of other proof methods.
Key decisions before you file
Before you file a Proof of Service in Connecticut, a few decisions shape the document: which option to choose and what each one means. The Proof of Service guide walks through them.
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Connecticut Requirements for Proof of Service
State Marshal or Authorized Officer Required
A civil summons and complaint must be served by a state marshal, constable, or other officer authorized by statute; an ordinary adult may serve only where a specific statute authorizes it in that situation (Conn. Gen. Stat. Section 52-50(a)-(b), narrowed by P.A. 23-23 effective October 1, 2023).
Party Barred From Serving the Summons
A party to the case cannot serve their own summons and complaint. An unauthorized indifferent person who serves process anyway commits a class A misdemeanor (Conn. Gen. Stat. Section 52-50(b)).
No Separate Proof-of-Service Form
Connecticut has no numbered statewide proof-of-service form. The officer's sworn Return of Service is endorsed on, or attached to, the mandatory JD-CV-1 summons required by Practice Book Section 8-1.
Officer's Sworn Return, No Notary Needed
For the initial summons, the serving officer's return is made under oath as part of the official act, so no notary public is required. Later papers instead use a written acknowledgment, a certificate, or an affidavit under Practice Book Section 10-14(a).
Abode Service Without a Named Recipient
Abode service means leaving a true and attested copy at the defendant's usual place of abode; unlike most states, Connecticut does not require leaving the copy with any particular household member (Conn. Gen. Stat. Sections 52-54, 52-57(a)).
Mail Alone Does Not Serve a Summons
Ordinary mail alone never serves a summons on an in-state individual defendant. Certified or registered mail, return receipt requested, is required only as a supplement to officer service for certain partnerships and voluntary associations (Conn. Gen. Stat. Section 52-57(d)-(e)).
Return-Day Service and Filing Deadlines
Service must occur at least 12 days before the return day chosen when the writ was signed (Conn. Gen. Stat. Section 52-46), and the completed return must reach the clerk at least six days before that same return day, which must be a Tuesday set no later than two months after signing (Sections 52-46a, 52-48).
Thirty-Day Savings Provision for Marshal Delivery
If process is delivered to a marshal within a statute-of-limitations period that expires before service is completed, the action stays timely if service is completed within 30 days of that delivery (Conn. Gen. Stat. Section 52-593a(a)).
Certificate of Service for Later Papers
Later papers, such as motions and notices, are served on the attorney of record or self-represented party and proved by a certificate of service under Practice Book Section 10-14(a), which is not the exclusive method of proof.