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Yes! You can use AI to fill out Form DISC-004, Form Interrogatories—Limited Civil Cases (Economic Litigation)

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Form DISC-004, Form Interrogatories—Limited Civil Cases (Economic Litigation), page 1
Basic · 40/100Form Complexity Index

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What this form asks for

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Form DISC-004, Form Interrogatories—Limited Civil Cases (Economic Litigation), is a standard set of written questions approved by the Judicial Council of California for use in the discovery phase of limited civil lawsuits. These interrogatories are crucial for parties to exchange information under oath regarding the facts, claims, defenses, and damages involved in the case. Answering these questions thoroughly is a mandatory part of litigation, and 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 fields96
Pages4
Form Complexity IndexBasic, 40/100

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 Format Validation

This check ensures that the 'CASE NUMBER' field adheres to the specific format required by the California court system. Court case numbers follow a standardized pattern that can include letters, numbers, and hyphens, which helps in uniquely identifying a case. If the entered number does not match the expected format, the system should flag it as an error to prevent filing rejections and ensure the document is correctly associated with the legal case.

State Bar Number Validation

This validation verifies that the 'State Bar number' provided in the 'ATTORNEY OR PARTY WITHOUT ATTORNEY' section is a valid number. California State Bar numbers are unique numerical identifiers assigned to licensed attorneys. This check is crucial for verifying the attorney's credentials and ensuring they are in good standing, which is essential for legal correspondence. An invalid number could indicate a typo or an unauthorized person attempting to file legal documents.

Exclusive INCIDENT Definition Selection

This check validates that in Section 4(a), only one of the two checkboxes for defining 'INCIDENT' is selected. The form provides a standard definition and an option for a custom definition, but they are mutually exclusive. Allowing both to be checked would create ambiguity in the legal record regarding the scope of the interrogatories. If both or neither are checked, the form submission should be blocked until the user selects exactly one option.

Conditional Custom INCIDENT Definition

This validation ensures that if the checkbox for a custom 'INCIDENT' definition (Sec. 4(a)(2)) is selected, the corresponding text field for the definition is not empty. It is a logical error to indicate a custom definition will be used without actually providing one. This check prevents incomplete or ambiguous submissions, forcing the user to provide the necessary text if they choose the custom option.

Party Identification Completeness

This check ensures that the 'Asking Party' and 'Answering Party' fields are both filled out. These fields are fundamental to the document's purpose, identifying the sender and the intended recipient of the interrogatories. Without this information, the document is legally meaningless and cannot be processed or enforced. The system should prevent submission if either of these critical fields is left blank.

Set Number Integrity

This validation confirms that the 'Set No.' field contains a positive integer. In legal discovery, parties may send multiple sets of interrogatories, and the set number is used to track them sequentially. This check ensures proper record-keeping and avoids confusion when referencing different sets of questions. An entry that is not a positive number (e.g., zero, a negative number, or text) should be rejected.

And 6 more checks
  • Date of Birth is in the Past
  • Telephone Number Format
  • County Name Validation
  • Logical Date Sequence for Employment History
  • Previous Claim Date Range Check
  • Interrogatory Selection Requirement

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How to Fill Out DISC-004 Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload the DISC-004 form or select it from the template library.
  2. Use the AI assistant to populate initial case details like the court name, case number, and party information into the header.
  3. As the asking party, check the boxes for the questions you want answered. As the answering party, provide responses only for the checked questions.
  4. Fill in your detailed, sworn answers to each selected interrogatory using the interactive fields, referencing the form's definitions for capitalized terms.
  5. Gather and reference any necessary documents, such as medical records or contracts, to provide complete and accurate answers.
  6. Carefully review all your answers for accuracy and completeness before proceeding to the final step.
  7. Electronically sign the verification declaration under penalty of perjury, then download the completed form to serve it on the opposing party as required by court rules.

Common Mistakes in Completing DISC-004

The ones the AI is built to catch.

Missing or Incorrect Case Caption Information
Parties often forget to fill out the entire caption at the top of the first page, omitting the Case Number, the correct court name, or the full names of the asking and answering parties. This happens due to oversight when rushing to complete the substance of the form. An incomplete or incorrect caption can lead to the document being rejected by the court clerk or causing confusion and delays in the legal process. To avoid this, double-check every field in the header before proceeding to the questions.
Forgetting the Signed Verification Statement
The answering party must sign a statement at the end of their answers declaring under penalty of perjury that the information is true and correct, as stated in Instruction 3(g). Forgetting this signature is a critical error that renders the entire set of responses invalid. The asking party can then file a motion to compel proper responses, causing delays and potential monetary sanctions. Always attach a separate, signed verification page to your final answers.
Ignoring the Duty to Investigate
Instruction 3(d) requires the answering party to make a 'reasonable and good faith effort' to obtain information they don't personally know, unless it's equally available to the asking party. Many people mistakenly answer 'I don't know' without first checking with their employees, agents, or reviewing their own records. This is an improper response and can lead to legal challenges, as it fails to meet the discovery obligation. Before answering, you must actively seek out information within your control.
Misinterpreting Defined Terms in Bold Capitals
The form defines key terms like 'INCIDENT', 'YOU OR ANYONE ACTING ON YOUR BEHALF', and 'DOCUMENT' in Section 4. A common mistake is to answer questions without reading these definitions, leading to incomplete responses. For example, a question using 'YOU' requires information from your agents, attorneys, and insurance companies, not just yourself. This can result in evasive answers and motions to compel. Carefully review Section 4 before you begin answering any questions.
Providing Incomplete Address or Employment Histories
Interrogatories 102.4 and 102.5 specifically request residence and employment history for the 'last five years,' including dates. People frequently provide only their current information or an incomplete list, which constitutes an insufficient answer. This can damage credibility and lead to further, more detailed discovery requests from the opposing party. To avoid this, gather all relevant addresses, employer names, and date ranges for the full five-year period before you start filling out the form.
Failing to Disclose All Applicable Insurance Policies
Interrogatory 104.1 asks for every insurance policy that may cover the damages. A frequent error is to list only the primary auto or home policy while omitting other potential coverage, such as an umbrella policy or a policy from an employer. This is a serious omission, as identifying insurance coverage is a primary goal of discovery. Failing to disclose all policies can lead to significant legal penalties if discovered later. Review all potential sources of coverage before answering.
Stating a Total for Lost Income Without Showing the Calculation
Interrogatories 108.2 and 108.4 require you to 'show how you compute' your lost earnings. A common mistake is to simply state a total dollar amount without providing the underlying math (e.g., hours missed multiplied by the hourly wage). This is a non-responsive answer and will likely draw an objection and a demand for a more complete response. Always break down the calculation clearly to justify the total amount claimed.
Responding with Legal Conclusions Instead of Facts
When asked to state the facts supporting a claim or defense (e.g., Interrogatory 115.1), parties often provide a legal conclusion like 'The plaintiff was negligent.' This is incorrect; the form requires the specific facts that support that conclusion, such as 'The plaintiff was traveling 20 mph over the speed limit and did not stop at the stop sign.' Providing only conclusions is evasive and will require you to amend your answers later. Focus on describing what happened, not the legal label for it.
Improperly Referencing Attached Documents
Instruction 3(e) allows you to answer an interrogatory by referring to a document, but it requires you to specify the page and section where the answer can be found. A common error is to write 'See attached medical records' and attach a hundred-page file, which is improper. This forces the other party to hunt for the information and can result in a motion to compel a more specific answer. If you reference a document, you must provide a pinpoint citation to the exact location of the answer.
Failing to Disclose Prior Related Injuries
Interrogatory 110.1 asks about any other injuries involving the 'same part of your body claimed to have been injured in the INCIDENT.' People sometimes omit prior or subsequent injuries, either by accident or intentionally, hoping to strengthen their case. This is a critical mistake that can destroy a party's credibility if uncovered. It is essential to be completely transparent and list all relevant medical history as requested to avoid accusations of hiding evidence.
Providing Incomplete Contact Information for Persons
Numerous interrogatories require the name, ADDRESS, and telephone number for individuals like witnesses (112.1), health care providers (106.3), and employers (102.5). A frequent error is providing only a name or an incomplete address without a zip code or phone number. This is an incomplete response that hinders the other party's ability to conduct their investigation. To avoid this, ensure you provide the full, correct contact details for every person identified in your answers. AI-powered tools like Instafill.ai can help by auto-completing and validating addresses to prevent such errors.
Asking Party Fails to Select Interrogatories
This mistake is made by the party sending the form. According to Instruction 2(d), the asking party must check the box next to each interrogatory they want answered. Sometimes, a party serves the form without checking any boxes, leaving the answering party unsure of what questions to respond to. This renders the discovery request defective and will require the asking party to re-serve it correctly, wasting time and resources. Since this form is a non-fillable PDF, a tool like Instafill.ai can convert it into an interactive version, making it easier to check the required boxes and avoid this simple but costly error.

Frequently Asked Questions About DISC-004

 

Is it really free for 7 days?
Yes. You pay $0 today. Cancel before Nov 4 and you are never charged. Keep it, and it is $19.99 a month for 5 fills of your DISC-004.
Can I fill other forms too?
This plan is for your DISC-004: your own AI agent fills it as often as 5 times a month. To fill other forms and upload your own, choose a Professional plan from your account.
How do I cancel?
From your account, in two clicks, any time. No email, no call.
How does the AI fill out DISC-004?
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 DISC-004, 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 DISC-004 to fill out?
DISC-004 has a Form Complexity Index of 40 out of 100, in the basic tier: 96 fillable fields across 4 pages. 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 DISC-004?
This form, known as Form Interrogatories, is a list of standard written questions that one party in a limited civil lawsuit sends to another party to gather information about the case under oath.
Who is the 'Asking Party' and who is the 'Answering Party'?
The 'Asking Party' is the person who sends the form and checks the boxes for the questions they want answered. The 'Answering Party' is the person who receives the form and must provide sworn answers to the checked questions.
Do I have to answer every single question on this form?
No, you only need to provide answers for the interrogatories that have a checked box next to them. The Asking Party chooses which questions are relevant to the case.
How long do I have to respond after receiving this form?
As a general rule, you must serve your completed and signed responses on the asking party within 30 days after you were served with these interrogatories.
What if I don't know the answer to a question?
If you don't have enough personal knowledge to answer, you must say so. However, you are required to make a reasonable and good-faith effort to get the information from other people or organizations, unless it's equally available to the asking party.
Can I just attach a document instead of writing out an answer?
Yes, if a question can be answered by referring to a document, you may attach it as an exhibit. You must refer to the specific page and section where the answer can be found in your response.
Is there a limit to how many questions can be asked?
Yes, for most limited civil cases, there are restrictions on the amount of discovery, including the number of interrogatories that can be asked. You should refer to California Code of Civil Procedure section 94 for details.
Do my answers need to be signed?
Yes, your final answers must be verified. This means you must sign and date a declaration under penalty of perjury, stating that your answers are true and correct.
What kind of information is requested in the 'General Background Information' section (102.0)?
This section asks for personal details like your name and address, date of birth, driver's license information, residence and employment history for the last five years, and any felony convictions.
What should I do if the PDF of this form is not fillable?
If you have a flat or non-fillable PDF, you can use a service like Instafill.ai. It can convert the document into an interactive, fillable form that you can easily complete online.
Can AI tools help me fill out Form DISC-004?
Yes, AI-powered services like Instafill.ai can help you fill out this form. They can auto-fill case information and other fields accurately, saving you time and helping to prevent errors.
How can I fill this form out online?
To fill this form out online, you can upload it to a platform like Instafill.ai. Their system allows you to easily enter your information into the fields, check the necessary boxes, and then download the completed document.
What is the difference between this form and the Case Questionnaire (form DISC-010)?
They can cover similar information, and the instructions state that some interrogatories may be omitted if the information has already been provided in a completed Case Questionnaire.
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