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Form FL-330, Proof of Personal Service, page 1
Basic · 35/100Form Complexity Index

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What this form asks for

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Form FL-330, Proof of Personal Service, is a legal document used in California courts to provide official proof that court documents have been personally delivered to an individual involved in a case. It is completed by the person who performed the service (the 'server'), confirming the date, time, and location of the delivery, and is filed with the court to ensure the case can proceed legally. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
Fillable fields36
Pages1
Form Complexity IndexBasic, 35/100

The AI checks your answers before you download

15 checks built for this form, so a wrong date or a missing answer is caught before anyone else sees it.

Ensures Server is Not a Party to the Action

This check verifies that the name of the person who served the papers (listed in Item 6 and the signature block) does not match any of the names listed as Petitioner/Plaintiff, Respondent/Defendant, or Other Parent/Party. This is critical because Item 1 explicitly states the server cannot be a party to the action. A validation failure would indicate the service is legally invalid and would be rejected by the court.

Requires Date of Service

Validates that the 'Date' field in section 4a is not empty. The date of service is a fundamental piece of information required to establish when the legal notice was provided. Without this date, the proof of service is incomplete and legally insufficient, preventing the case from moving forward.

Requires Time of Service

Validates that the 'Time' field in section 4b is filled out and contains a valid time format (e.g., HH:MM AM/PM). The time of service can be crucial for establishing compliance with legal statutes, especially those concerning service hours. An omission or invalid format makes the proof of service incomplete.

Requires Address of Service

Ensures that the 'Address' field in section 4c, where the documents were delivered, is completed. This field is mandatory as it proves where the service took place, confirming it was a location reasonably calculated to give notice to the person served. A missing address invalidates the proof of service.

Logical Date Check: Signature Date vs. Service Date

This validation compares the 'Date' of signature with the 'Date' of service (Item 4a). The signature date must be on or after the date of service. A person cannot legally swear that an event occurred before it has happened. A failure indicates a logical impossibility and would lead to the form's rejection.

Requires List of Served Documents

Verifies that the text field in section 3, which specifies the documents served, is not empty. It is legally essential to have a record of exactly which documents were delivered to the party. If this field is blank, there is no proof of what the person was served with, making the entire form meaningless.

And 9 more checks
  • Requires Name of Person Served
  • Exclusive Server Status Selection
  • Exclusive Declaration Selection
  • Server Identification Completeness
  • Signature Name and Server Name Consistency
  • Case Number Presence and Format
  • Declaration and Server Status Consistency
  • Telephone Number Format Validation
  • Primary Party Identification

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How to Fill Out FL-330 Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload your FL-330 form or select it from the template library.
  2. Use the AI assistant to automatically fill in the court information, case number, and the names of the petitioner/plaintiff and respondent/defendant.
  3. Specify the exact legal documents that were served by typing or listing them in section 3.
  4. Enter the details of the service in section 4, including the name of the person served, and the date, time, and address of the delivery.
  5. In section 5, check the box that correctly identifies your status as the server (e.g., not a registered process server, a sheriff, etc.).
  6. Review all the information for accuracy, then e-sign and date the declaration under penalty of perjury.
  7. Download the completed, signed FL-330 form, ready for filing with the appropriate California Superior Court.

Common Mistakes in Completing FL-330

The ones the AI is built to catch.

Having a Party to the Action Serve the Documents
A fundamental rule of legal service is that a party involved in the case cannot personally serve the documents. Item 1 on the form explicitly requires the server to be a non-party. If a petitioner or respondent fills out and signs this form as the server, the service is invalid and will be rejected by the court, causing significant delays and requiring the papers to be re-served correctly. To avoid this, service must be performed by a neutral third party who is at least 18 years old, such as a friend, relative (who is not a party), or a professional process server.
Missing or Incorrect Case Number and Court Information
The Case Number and specific court address are the primary identifiers that link the Proof of Service to the correct court file. People often forget to fill this in, or they enter the wrong number or court branch address. This can lead to the document being rejected, misfiled, or lost entirely, halting all progress in the case until a corrected form is submitted. Always double-check the case number and court details against other official case documents before filing.
Vaguely Describing the Served Documents in Item 3
Simply writing 'court papers' or 'legal documents' in Item 3 is insufficient and a common error. The form requires a specific and complete list of every single document that was delivered to the other party (e.g., 'FL-100 Petition, FL-110 Summons, FL-120 Response'). Failure to list each document can allow the opposing party to claim they never received a specific item, potentially invalidating any court orders based on that unlisted document. It is critical to be precise and exhaustive in this section.
Submitting an Unsigned or Undated Declaration
The signature and date in Item 7 are what make the form a legally binding declaration under penalty of perjury. An unsigned or undated form has no legal weight and will be immediately rejected by the court clerk. This simple oversight is one of the most common reasons for rejection, forcing the filer to resubmit and causing unnecessary delays. Always perform a final review to ensure the server has signed and dated the form in the correct section.
Incorrectly Identifying Petitioner vs. Respondent
In the header section, it is crucial to correctly identify the parties as 'PETITIONER/PLAINTIFF' and 'RESPONDENT/DEFENDANT'. People frequently transpose these roles, which creates confusion and may require an amendment. The names and roles must be written exactly as they appear on the initial complaint or petition that initiated the case. Using an AI form-filler like Instafill.ai can help prevent this by saving and correctly populating party information across all related case documents.
Failing to Fully Identify the Server in Items 5 and 6
The server must correctly identify their status in Item 5 (e.g., 'not a registered California process server') and then provide their complete name, address, and telephone number in Item 6. Many people check the box in Item 5 but then forget to fill out their contact details in Item 6. This omission makes it difficult to verify the server's identity and can cast doubt on the validity of the service, potentially leading to a challenge from the other party.
Inaccurate Date, Time, or Address of Service
The details in Item 4—the exact date, time, and address where service occurred—are the core facts of the service. Errors in this section, such as writing the wrong date or an incomplete address, can give the opposing party a reason to contest the service's validity. The server should meticulously record these details immediately after the service is completed to ensure their accuracy. An incorrect date can also impact legal deadlines for the served party's response.
Server Signing in the Wrong Signature Section
The form has two distinct signature areas: Item 7 for a declaration under penalty of perjury (used by most private individuals) and Item 8 for a certification by a California sheriff or marshal. A common mistake is for a private server to sign or check the box in Item 8. This error can confuse the court clerk and lead to the form being rejected. The server must carefully read both sections and sign only in the one that applies to their status.
Using an Illegible Handwritten Form
Submitting a handwritten form with illegible writing can cause it to be rejected or lead to critical data entry errors by the court clerk. Key details like names, addresses, and the case number must be perfectly clear. To avoid this, it is always best to type the information. If the court only provides a flat, non-fillable PDF, a tool like Instafill.ai can convert it into a smart, fillable form, ensuring all entries are neat, legible, and correctly formatted.

Frequently Asked Questions About FL-330

 

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Can I fill other forms too?
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How does the AI fill out FL-330?
You answer a few questions in plain words, or upload a document you already have. The AI reads what you give it and puts each answer into the right field of FL-330, on every page, in seconds. It checks the answers against the form's own rules, and you review and change anything before you download, print or sign.
What happens to my information?
It is encrypted in transit and at rest, and it is never used to train AI.
How complex is FL-330 to fill out?
FL-330 has a Form Complexity Index of 35 out of 100, in the basic tier: 36 fillable fields across 1 page. Instafill.ai's AI fills it in under a minute, with every field there for you to review before you download.
What is the purpose of Form FL-330, Proof of Personal Service?
This form is used to prove to the court that legal documents were successfully hand-delivered to a specific person. It is completed by the individual who served the papers to provide a sworn statement that service was completed.
Who needs to fill out and sign Form FL-330?
The person who personally delivered the court documents must fill out and sign this form. This individual must be at least 18 years old and cannot be a party involved in the legal case.
Can I, as the petitioner or respondent, serve the documents myself?
No, a party to the action (like the petitioner or respondent) cannot serve their own legal papers. You must have a neutral third party, such as a friend, relative, or professional process server, deliver the documents for you.
What do I write in Section 3, where it asks to specify the documents served?
You must list the full, exact titles of every document that was delivered to the person being served. For example, write 'Summons (FL-110)' or 'Petition — Marriage/Domestic Partnership (FL-100)'.
What address should be entered in Section 4c?
Enter the complete physical address where the documents were actually handed to the person being served. This includes the street address, city, and state.
My friend served the papers for me. What box should they check in Section 5?
If your friend is not a professional, they should check box 5a, 'not a registered California process server.' They must then fill in their own name, address, and phone number in Section 6.
What do I do with the Proof of Personal Service form after it's been signed?
After the server signs the form, the original must be filed with the court clerk. You should also make a copy for your own records to prove that the other party was properly notified.
What is the difference between signing under Section 7 and Section 8?
Section 7 is for most servers to sign, declaring the information is true 'under penalty of perjury.' Section 8 is reserved specifically for a California sheriff or marshal to sign when they perform the service.
Is the person who served the papers required to appear in court?
Generally, no. The signed FL-330 form acts as their sworn testimony that service was completed, so their physical presence is not usually necessary.
Can AI tools help me fill out Form FL-330?
Yes, services like Instafill.ai use AI to auto-fill form fields accurately with your case information, which saves time and helps prevent errors. The server must still personally review and sign the completed form.
How can I fill out this form online?
You can use a service like Instafill.ai to easily complete this form online. Simply upload the form, and the platform will guide you in filling out all the necessary fields before you print it for the server's signature.
The PDF of Form FL-330 I downloaded is not fillable. What should I do?
If you have a non-fillable or 'flat' PDF, you can upload it to Instafill.ai. The service can convert it into an interactive, fillable form that you can easily complete on your computer.
Who is the 'person served' listed in Section 2?
The 'person served' is the individual who received the legal documents. You must write their full legal name in this section.
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proof of service forms: Form POS-040, Proof of Service—Civil, Judicial Council of California Form SC-104, Proof of Service (Small Claims), Judicial Council of California Form SC-104, Proof of Service (Small Claims), Form DV-200, Proof of Personal Service (CLETS) (Domestic Violence Prevention), Illinois Circuit Court Eviction Summons and Proof of Service of Eviction Summons & Eviction Complaint (Form E-S 3507.3), proof-of-electronic-service-appellate, Form APP-009, Proof of Service (Appellate Division), Form APP-109, Proof of Service (Appellate Division), Form GC-020(P), PROOF OF PERSONAL SERVICE OF NOTICE OF HEARING— GUARDIANSHIP OR CONSERVATORSHIP, Form APP-109E, Proof of Electronic Service (Appellate Division), Proof of Personal Service of Notice of Initial Appearance—CARE Act Proceedings, Form CARE-116, Proof of Personal Service of Notice of Hearing—CARE Act Proceedings, Form CR-106, Proof of Service — Criminal Record Clearing, CARE-107, Proof of Personal Service of Notice of Order for CARE Act Report, Form CIV-120, Notice of Entry of Dismissal and Proof of Service, Form DAL-012, Proof of Service—Disability Access Litigation, Form DE-120(P), Proof of Personal Service of Notice of Hearing—Decedent's Estate or Trust, Form EA-200, Proof of Personal Service (Elder or Dependent Adult Abuse Prevention), Form EA-260, Proof of Service of Order After Hearing by Mail (Elder or Dependent Adult Abuse Prevention), Form FL-115, Proof of Service of Summons (Family Law—Uniform Parentage—Custody and Support)

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