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Attachment to Notice of Hearing Proof of Personal Service (Probate—Decedents' Estates and Guardianships and Conservatorships), page 1
Moderate · 54/100Form Complexity Index

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What this form asks for

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This form, known as the Attachment to Notice of Hearing Proof of Personal Service, is a supplemental document for California probate proceedings. It is used with forms DE-120(P) and GC-020(P) to provide detailed proof when multiple individuals have been personally served with a notice of a court hearing. 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 fields74
Pages1
Form Complexity IndexModerate, 54/100

The AI checks your answers before you download

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

Case Number Presence

This validation ensures that the 'CASE NUMBER' field is not empty. The case number is a critical identifier that links this proof of service attachment to the correct legal proceeding in the court's system. Without a case number, the document cannot be filed correctly and will be rejected by the court clerk, causing significant delays.

Estate or Matter Name Completeness

This check verifies that the name of the estate, guardianship, or conservatorship has been filled in. This name provides a clear, human-readable identifier for the case, complementing the case number. A missing name can cause confusion during processing and may lead to the document being returned for correction.

Minimum Service Entry Requirement

This validation confirms that at least one complete service entry (including name, address, date, and time) has been made on the form. The purpose of this attachment is to provide proof of service, so a form with no entries is functionally empty and serves no purpose. Submitting a blank form would be considered a filing error and would not constitute valid proof.

Service Entry Row Integrity

This check ensures that for any service entry row that is partially filled, all fields in that row are completed. If a person's name is entered, the corresponding address, date, and time of service must also be provided. An incomplete entry is legally insufficient for proving service, as it lacks the necessary details, and would likely be disregarded by the court.

Service Date Format Validation

This validation verifies that all 'Date' fields for service are entered in a valid and unambiguous date format, such as MM/DD/YYYY. The date of service is legally significant for establishing timeliness and compliance with procedural rules. An invalid or improperly formatted date could render the proof of service defective.

Logical Service Date Check

This check ensures that any 'Date' of service entered is not a future date. Proof of service is a sworn statement attesting to an action that has already occurred. Entering a future date is a logical impossibility and a clear data entry error that would invalidate the document and lead to its immediate rejection.

And 6 more checks
  • Service Time Format Validation
  • Service Address Plausibility
  • Pagination Integrity Check
  • Pagination Logical Order
  • Duplicate Service Entry Detection
  • Case Number Format Plausibility

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How to Fill Out DE-120(PA)/GC-020(PA) Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload or select the DE-120(PA)/GC-020(PA) form.
  2. Enter the case number and the name of the estate, guardianship, or conservatorship matter at the top of the form.
  3. For each person served, input their full name in the designated column.
  4. Enter the complete address (number, street, city, state) where each person was personally served.
  5. Provide the specific date and time that the service was completed for each individual listed.
  6. Indicate the page number and total number of pages if multiple attachment sheets are used.
  7. Review all entered details for accuracy before saving, printing, and attaching the form to your primary Proof of Service document (DE-120(P) or GC-020(P)).

Common Mistakes in Completing DE-120(PA)/GC-020(PA)

The ones the AI is built to catch.

Incorrect or Missing Case Number
Users often mistype, transpose numbers, or completely forget to enter the case number at the top of the form. This happens due to rushing or not having the primary court documents for reference. Without the correct case number, the court clerk cannot associate the attachment with the proper case file, leading to rejection of the filing and significant delays in the legal proceedings.
Using the Form as a Standalone Document
This form is explicitly an attachment, designed to be used with the main Proof of Service forms (DE-120(P) or GC-020(P)). A common mistake is submitting this page by itself, without the primary form that contains the server's sworn declaration. This results in an incomplete filing that the court will reject, as it lacks the necessary legal declaration to be valid.
Inconsistent Case Name
The 'GUARDIANSHIP/CONSERVATORSHIP/ESTATE OF (Name)' field must exactly match the name on the official court record. People often use abbreviations, initials, or slight variations of the name, causing a mismatch. This discrepancy can lead to confusion and rejection by the court clerk, who must ensure all documents in a case file refer to the same entity consistently.
Forgetting to Fill Out Pagination
The 'Page ____ of ____' fields at the bottom are frequently left blank. When serving many people, multiple attachment pages may be necessary, and without proper pagination, the court cannot verify if all pages were received or what their correct order is. This can cause the entire proof of service to be questioned or rejected for being incomplete or disorganized.
Providing an Incomplete Service Address
Filers sometimes provide a partial address, omitting the city, state, or ZIP code, or using a vague description instead of a specific street number. The court requires a complete and unambiguous address to verify that service was made at a valid location. An incomplete address can be grounds for the opposing party to challenge the validity of the service, potentially nullifying it.
Using Ambiguous Date and Time Formats
The form requires a specific date and time of service, but people often enter it in non-standard or unclear formats, such as forgetting to specify AM/PM or using inconsistent date separators. This ambiguity can create legal loopholes to challenge when the service occurred. To avoid this, always use a clear format like MM/DD/YYYY for the date and HH:MM AM/PM for the time for every entry.
Illegible Handwriting on a Printed Form
Since this form is often a non-fillable PDF, people print it and fill it out by hand, leading to illegible entries for names, addresses, and times. If the court clerk cannot read the information, they may reject the document or enter the data incorrectly, causing delays and potential legal issues. To prevent this, print clearly in block letters or use a tool like Instafill.ai, which can convert non-fillable PDFs into fillable versions for clean, typed entries.
Mismatching Service Details in Rows
When listing multiple services, it is easy to accidentally mix up the information, putting the correct name next to the wrong address or time of service. This is a critical error that invalidates the proof of service for the affected individuals, as the information is factually incorrect. To avoid this, carefully fill out one complete row for one person at a time and double-check all entries against the server's original notes before finalizing.
Incomplete or Misspelled Name of Person Served
Entering a partial name, a nickname, or misspelling the legal name of the person served is a frequent error. This can happen when the server is unsure of the person's full name or makes a simple transcription mistake. An incorrect name gives the other party grounds to argue that the proper individual was not served, potentially invalidating the service and forcing the process to be repeated.
Using the Attachment for a Single Service
This attachment is intended for listing *additional* people served when the space on the main form runs out. A procedural mistake is to use this attachment when only one or two people were served, as the primary forms (DE-120(P) and GC-020(P)) already have space for that. While not always a cause for rejection, it creates unnecessary paperwork and shows a misunderstanding of the proper filing procedure.

Frequently Asked Questions About DE-120(PA)/GC-020(PA)

 

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How does the AI fill out DE-120(PA)/GC-020(PA)?
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 DE-120(PA)/GC-020(PA), 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 DE-120(PA)/GC-020(PA) to fill out?
DE-120(PA)/GC-020(PA) has a Form Complexity Index of 54 out of 100, in the moderate tier: 74 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 DE-120(PA)/GC-020(PA)?
This form is an attachment used to list multiple people who were personally served with a Notice of Hearing in a probate, guardianship, or conservatorship case. It provides the court with additional space to record proof that each person received the legal notice.
When do I need to use this specific attachment form?
You should use this form when you have served a Notice of Hearing to more people than can be listed on the main Proof of Personal Service form (DE-120(P) or GC-020(P)). It acts as an overflow sheet for listing additional individuals.
Who is supposed to fill out this form?
The person who personally delivered the legal documents (the 'server') is responsible for completing this attachment, along with the main Proof of Service form. The server must be over 18 and not a party to the case.
Can I file this form by itself?
No, this is an attachment and is not a standalone document. It must be attached to and filed with the corresponding main form, either DE-120(P) or GC-020(P) (Proof of Personal Service).
What information goes in the 'ESTATE/MATTER OF' field?
You should enter the name of the person who is the subject of the court case. This would be the name of the decedent for an estate, the minor for a guardianship, or the adult for a conservatorship.
For the 'Address where served' field, what address should I write?
You must list the full physical address where you actually handed the documents to the person. This is the specific location of service, not necessarily their home or mailing address.
Why do I need to include the exact time of service?
The date and time are critical to prove that the service was completed within the legally required notice period before the court hearing. An accurate time stamp helps validate the service.
What if I served more people than there are spaces on this one page?
You can use multiple copies of this attachment form if needed. Be sure to number the pages correctly in the 'Page __ of __' section at the bottom to keep your filing organized.
Where do I file this form once it's completed?
This attachment, along with the main Proof of Service form, must be filed with the court clerk in the county where the case is being heard. Always keep a copy for your records.
Can I use an AI tool to help me fill out this form?
Yes, services like Instafill.ai use AI to help you accurately auto-fill form fields with information like case numbers, names, and addresses. This can save you time and help reduce the chance of errors.
How do I use Instafill.ai to complete this form online?
Simply upload the DE-120(PA)/GC-020(PA) PDF to the Instafill.ai platform. The service will make the form interactive, allowing you to type your information directly into the fields and then download the completed document.
The PDF form I downloaded is not fillable. What can I do?
If you have a flat, non-fillable PDF, you can use a tool like Instafill.ai to convert it into an interactive, fillable form. This allows you to easily type in the required information instead of printing and writing by hand.
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Other forms like this one

California state forms: Judicial Council of California Form DE-111, Petition for Probate (Probate—Decedents Estates), DS 1891, Applicant/Vendor Disclosure Statement (State of California Department of Developmental Services), Judicial Council of California Form DE-120, Notice of Hearing—Decedent's Estate or Trust, Judicial Council of California Form DE-120, Notice of Hearing—Decedent's Estate or Trust, Murrieta Police Department Citizen Complaint Form (California Penal Code § 148.6 Advisory Statement), California Department of Social Services, Sworn Statement, State of California Department of Transportation California Civil Rights Laws Certification, State of California Department of Transportation Darfur Contracting Act Certification, Form DOT ADM-0077, State of California Department of Transportation, Contract Requirements, State of California Department of Transportation Subcontractor List, State of California Department of Transportation, Certified DVBE Summary, Bidder Declaration GSPD-05-105, State of California Level of Care Rate Determination Protocol Matrix, State of California Accessible Form, State of California Form SOC 321, Request for Order and Consent - Paramedical Services, State of California Darfur Contracting Act Certification, State of California Department of Veterans Affairs COMMERCIALLY USEFUL FUNCTION (CUF) CERTIFICATION FORM, Form ADR-100, Statement of Agreement or Nonagreement, Civil Appeal Case Information Statement, Form APP-014, Appellant's Proposed Statement on Appeal (Unlimited Civil Case)

California court forms: Judicial Council of California Form SC-105, Request for Court Order and Answer (Small Claims), Judicial Council of California Form SC-120, Defendant’s Claim and ORDER to Go to Small Claims Court (Small Claims), Judicial Council of California Form SER-001, Request for Sheriff to Serve Court Papers, Judicial Council of California Form SER-001, Request for Sheriff to Serve Court Papers, Affidavit for Collection of Personal Property California Probate Code Section 13100, Form POS-040, Proof of Service—Civil, Declaration of Facts of Death (California Superior Court), declaration-of-marriage-for-court-proceeding-california-family-law, ADOPT-200, Adoption Request, ADOPT-200, Stepparent Adoption Request, ADOPT-210, Adoption Agreement, ADOPT-310, Contact After Adoption Agreement, Judicial Council of California Form ADOPT-200, Adoption Request, Form ADR-107, Mediation Attendance Sheet, Form ADR-110, Order Appointing Referee, Form ADR-109, Stipulation or Motion for Order Appointing Referee, Form ADR-102, Request for Trial De Novo After Judicial Arbitration, Form ADR-108, Referee's Report (Code Civ. Proc., §§ 638, 639), Form ADR-106, Petition to Confirm, Correct, or Vacate Contractual Arbitration Award, Form ADR-104, Rejection of Award and Request for Trial After Attorney-Client Fee Arbitration

California probate forms: Judicial Council of California Form DE-111, Petition for Probate (Probate—Decedents Estates), Affidavit for Collection of Personal Property California Probate Code Section 13100, Form DE-142/DE-111(A-3e), Waiver of Bond by Heir or Beneficiary (Probate—Decedents Estates), Form DE-140, Order for Probate, Form DE-150, Letters (Probate), Form DE-154/GC-035, Request for Special Notice (Probate), Form DE-157, Notice of Administration to Creditors, Form DE-120(P), Proof of Personal Service of Notice of Hearing—Decedent's Estate or Trust, Form DE-131, Proof of Subscribing Witness (Probate), Form DE-172, Creditor's Claim (Probate), Form DE-174, Allowance or Rejection of Creditor's Claim, Form DE-221, Spousal or Domestic Partner Property Petition (Probate—Decedents Estates), Form DE-270 / GC-070, Ex Parte Petition for Authority to Sell Securities and Order, Form DE-315, Order Determining Succession to Primary Residence, Form DE-351/GC-101, Order Appointing Guardian Ad Litem—Probate, Form DE-115/GC-015, Notice of Hearing on Petition to Determine Claim to Property, Attachment to Notice of Hearing Proof of Service by Mail (Probate—Decedents' Estates and Guardianships and Conservatorships), Form DE-125, Summons (Probate), Form DE-147, Duties and Liabilities of Personal Representative, Form DE-147S, Confidential Supplement to Duties and Liabilities of Personal Representative (Probate)

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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