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Yes! You can use AI to fill out Florida Supreme Court Approved Family Law Form 12.905(c), Supplemental Petition for Modification of Alimony

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Florida Supreme Court Approved Family Law Form 12.905(c), Supplemental Petition for Modification of Alimony, page 1

Basic · 43/100Form Complexity Index

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What this form asks for

The AI fills all of it, from your answers or your documents.

Form 12.905(c) is a legal document used in Florida to petition the court to change a current court-ordered alimony obligation. A modification can be requested if there has been a substantial change in the circumstances of either party since the last order was issued. It's important to note that not all types of alimony can be modified. 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 fields43

Pages7

Form Complexity IndexBasic, 43/100

The AI checks your answers before you download

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

Ensures Petitioner Name Consistency

Verifies that the petitioner's name entered in the case caption at the top of the form matches the 'full legal name' provided in the sworn statement section. This consistency is vital for legal identity verification and to prevent ambiguity in court records. A mismatch could cause the petition to be rejected for clerical errors.

Validates Case Number Format

Checks if the 'Case No.' field is filled and follows the expected format for the specified judicial circuit and county. The case number is the primary identifier for the legal proceeding, and an incorrect or missing number will prevent the document from being filed correctly. This ensures the petition is associated with the correct existing case file.

Requires County and Circuit Court Selection

Ensures the 'JUDICIAL CIRCUIT' and 'COUNTY' fields are not empty. These fields are mandatory for identifying the specific court with jurisdiction over the case. Submitting a form without this information would make it impossible for the clerk's office to file it, leading to immediate rejection.

Validates Exclusive Judgment Type Selection

In section 1, this check ensures that the petitioner has selected only one of the two mutually exclusive options: 'dissolution of marriage' or 'support unconnected with a dissolution of marriage.' Selecting both or neither would create ambiguity about the origin of the original order. This validation prevents incomplete or contradictory information from being submitted to the court.

Verifies Final Judgment Date is in the Past

This validation confirms that the date entered for the final judgment in section 1 is a valid calendar date that has already occurred. A future or invalid date would be logically impossible and would invalidate the petition's basis. This check ensures the foundational facts of the case are chronologically correct.

Validates Alimony Amount is a Positive Number

This validation ensures that the current alimony amount entered in section 2 is a valid, positive numerical value. The field cannot be empty, negative, or contain non-numeric characters, as it represents a specific monetary obligation. This is critical for establishing the baseline from which a modification is being requested.

And 7 more checks

Ensures Singular Alimony Payment Frequency
Requires Explanation for Change in Circumstances
Requires Details of Requested Alimony Modification
Validates Exclusive Financial Affidavit Status
Validates Petitioner's Telephone Number Format
Validates Petitioner's Email Address Format
Ensures Completeness of Nonlawyer Information if Applicable

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How to Fill Out Form 12.905(c) Online for Free in 2026

What the AI walks you through.

Navigate to Instafill.ai and upload your PDF or select the Supplemental Petition for Modification of Alimony, Form 12.905(c).
Use the AI assistant to input case information, including the judicial circuit, county, case number, and the names of the petitioner and respondent.
Provide details of the original judgment, specifying the date it was granted and the paragraph numbers that establish the current alimony amount and schedule.
Clearly describe the substantial change in circumstances that has occurred since the last order, which is the legal basis for your request.
State precisely what changes you are asking the court to make to the alimony order.
Review all the information you've entered for accuracy, then electronically sign and date the petition. The AI will format the document for proper notarization.
Download your completed, signed petition, ready for filing with the clerk of the circuit court in the correct Florida county.

Common Mistakes in Completing Form 12.905(c)

The ones the AI is built to catch.

Filing in the Wrong Court or County

Petitioners often file in the county where they currently reside, not the county where the original divorce judgment was entered. This happens due to relocation and a misunderstanding of legal jurisdiction. The consequence is that the court will dismiss the petition for lack of jurisdiction, forcing the petitioner to lose their filing fee and start the entire process over in the correct court.

Forgetting to Attach the Original Judgment

Section 1 of the petition explicitly requires a copy of the final judgment and any prior modifications to be attached. People often forget this step or cannot locate the old documents, leading to an incomplete filing. An incomplete filing will be rejected by the clerk or delayed until the required documents are provided, stalling the entire modification process.

Providing a Vague 'Change in Circumstances'

In Section 3, petitioners must detail a 'substantial change in circumstances.' Many people provide vague or emotional statements like 'I can't afford it anymore' instead of specific, factual, and quantifiable details (e.g., 'My income has decreased by 40% from $X to $Y due to a documented medical disability'). A vague explanation is the most common reason for a judge to deny the petition on its merits.

Failing to File the Mandatory Financial Affidavit

The instructions and Section 5 of the petition require the filing of a Family Law Financial Affidavit (Form 12.902(b) or (c)). This is a separate, detailed, and mandatory document that petitioners often overlook or forget to complete. Failure to file the affidavit will render the petition incomplete, causing significant delays or even dismissal of the case until it is properly filed and served on the other party.

Attempting to Modify Non-Modifiable Alimony

The form's instructions clearly state that lump sum and bridge-the-gap alimony cannot be modified. Petitioners who are not aware of this distinction may waste time and filing fees attempting to change an unchangeable order. The court will quickly dismiss such a petition, as it has no legal authority to grant the requested relief.

Improper Service of Process on the Respondent

The instructions require 'personal service' for the initial petition, which means delivery by a sheriff or certified process server. Many self-represented litigants mistakenly believe they can just mail or email the documents to the other party. Improper service means the court has no jurisdiction over the respondent, and the case cannot move forward until service is properly completed, which can take weeks or months to correct.

Submitting an Unsigned or Un-notarized Form

This petition is a sworn statement and requires the petitioner's signature to be witnessed and certified by a Notary Public or Deputy Clerk. Simply signing the form at home is not sufficient. The court clerk will reject any petition that lacks the proper notarization, forcing the petitioner to get it notarized and re-file, causing unnecessary delays.

Using Illegible Handwriting on a Non-Fillable PDF

This form is often available as a non-fillable PDF, leading people to print and handwrite their answers. If the handwriting is messy or illegible, the clerk may reject the form or misenter critical information like case numbers or names, causing significant clerical errors. To avoid this, use a tool like Instafill.ai, which can convert non-fillable PDFs into easy-to-use fillable forms, ensuring all entries are typed, legible, and professional.

Incorrectly Identifying the Petitioner and Respondent

The person filing this new petition is the 'Petitioner,' and the other party is the 'Respondent,' regardless of what their roles were in the original divorce. This can be confusing, and people sometimes misidentify the parties in the case caption. This error can lead to confusion in the court's records and require amendments to fix, delaying the proceedings.

Misstating the Current Alimony Order Details

In Section 2, the petitioner must accurately state the paragraph number, amount, and frequency of the current alimony order from the existing judgment. People often guess or state incorrect figures from memory. This mistake undermines the petitioner's credibility and can cause confusion or require clarification, slowing down the court's review of the case.

Frequently Asked Questions About Form 12.905(c)

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How does the AI fill out Form 12.905(c)?

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 Form 12.905(c), 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 Form 12.905(c) to fill out?

Form 12.905(c) has a Form Complexity Index of 43 out of 100, in the basic tier: 43 fillable fields across 7 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 the Supplemental Petition for Modification of Alimony form?

This form is used to ask a Florida court to change a current, court-ordered alimony obligation due to a significant change in circumstances.

Who should file this form?

You should file this form if you are paying or receiving court-ordered alimony and believe there has been a substantial change in either your or the other party's financial situation.

Can all types of alimony be modified with this petition?

No. The court can modify temporary, permanent periodic, durational, and rehabilitative alimony, but lump sum and bridge-the-gap alimony cannot be changed.

What documents must I file along with this petition?

You must file a Family Law Financial Affidavit and a Certificate of Compliance with Mandatory Disclosure, and you must attach a copy of the original final judgment and any prior modifications.

What is considered a 'substantial change in circumstances'?

This refers to a significant, involuntary, and permanent change in a party's financial situation, such as a major change in income, disability, or retirement. You must explain this change in detail on the form.

Where do I file the completed form?

You must file the original petition with the clerk of the circuit court in the same county where the original alimony order was issued.

How do I notify the other party that I have filed for a modification?

You are required to use personal service to formally deliver a copy of the petition to the other party. The other party then has 20 days to file a response with the court.

What happens if the other party doesn't respond?

If the other party fails to file an answer within 20 days of being served, you can file a Motion for Default, which may allow the case to proceed to a final hearing without their participation.

Does this form need to be signed in front of a notary?

Yes, you must sign the petition under oath before a notary public or a deputy clerk before you can file it with the court.

What if I cannot afford the court's filing fees?

You can ask the clerk for an Application for Determination of Civil Indigent Status. If you qualify, the court may allow you to have the filing fees deferred.

Can AI help me fill out this form?

Yes, services like Instafill.ai use AI to help you accurately auto-fill form fields with your saved information, which saves time and helps prevent errors.

How can I fill out this form online if it's a PDF?

You can use a platform like Instafill.ai to upload the PDF, fill it out on any device, and then download or print the completed form for submission.

The PDF form I have is not fillable. What can I do?

Services like Instafill.ai can convert flat, non-fillable PDFs into interactive forms that you can easily type into online, saving you the hassle of printing and writing by hand.

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Other forms like this one

family law forms: Form 12.902(b), Family Law Financial Affidavit (Short Form), Florida Supreme Court Approved Family Law Form 12.901(b)(3), Petition for Dissolution of Marriage with No Dependent or Minor Child(ren) or Property (02/18), Form FL-170, Declaration for Default or Uncontested Dissolution or Legal Separation (Family Law), Form FL-100, Petition—Marriage/Domestic Partnership (Family Law), declaration-of-marriage-for-court-proceeding-california-family-law, Florida Supreme Court Approved Family Law Form 12.902(d), Uniform Child Custody Jurisdiction and Enforcement Act (UCCJEA) Affidavit, Florida Family Law Rules of Procedure Form 12.910(a), Summons: Personal Service on an Individual, Florida Supreme Court Approved Family Law Form 12.941(a), Petition for Enforcement of Out-of-State Custody Decree and for Order to Pick Up Minor Child(ren), Florida Supreme Court Approved Family Law Form 12.970(a), Petition for Temporary Custody by Extended Family, Form FL-110, Summons (Family Law), Form FL-120, Response—Marriage/Domestic Partnership (Family Law), ADOPT-200, Adoption Request, ADOPT-200, Stepparent Adoption Request, ADOPT-210, Adoption Agreement, ADOPT-310, Contact After Adoption Agreement, Adoption Assistance Program Nonrecurring Adoption Expense Agreement and Claim, Adoption Request (Stepparent), Adoption and Safe Families Act (ASFA) Survey, Florida Family Law Rules of Procedure Form 12.900(b), Notice of and Consent to Limited Appearance, Florida Family Law Rules of Procedure Form 12.900(d), Termination of Limited Appearance

family court forms: Form 12.995(c), Safety-Focused Parenting Plan, Florida Supreme Court Approved Family Law Form 12.901(b)(3), Petition for Dissolution of Marriage with No Dependent or Minor Child(ren) or Property (02/18), Form N161, Appellant’s notice (All appeals except small claims track appeals and appeals to the Family Division of the High Court), Form N161, Appellant's Notice (All appeals except small claims track appeals and appeals to the Family Division of the High Court), declaration-of-marriage-for-court-proceeding-california-family-law, Florida Supreme Court Approved Family Law Form 12.902(d), Uniform Child Custody Jurisdiction and Enforcement Act (UCCJEA) Affidavit, Florida Supreme Court Approved Family Law Form 12.941(a), Petition for Enforcement of Out-of-State Custody Decree and for Order to Pick Up Minor Child(ren), Florida Supreme Court Approved Family Law Form 12.970(a), Petition for Temporary Custody by Extended Family, Adoption Request (Stepparent), Florida Family Law Rules of Procedure Form 12.900(b), Notice of and Consent to Limited Appearance, Florida Family Law Rules of Procedure Form 12.900(d), Termination of Limited Appearance, Florida Family Law Rules of Procedure Form 12.900(e), Acknowledgment of Assistance by Attorney, Florida Family Law Rules of Procedure Form 12.900(g), Agreement Limiting Representation, Florida Family Law Rules of Procedure Form 12.900(h), Notice of Related Cases, Florida Family Law Rules of Procedure Form 12.901(a), Joint Petition for Simplified Dissolution of Marriage, Form 12.902(b), Family Law Financial Affidavit (Short Form), Florida Family Law Rules of Procedure Form 12.902(c), Family Law Financial Affidavit (Long Form), Florida Family Law Rules of Procedure Form 12.902(e), Child Support Guidelines Worksheet, Florida Supreme Court Approved Family Law Form 12.902(f)(1), Marital Settlement Agreement for Dissolution of Marriage with Dependent or Minor Child(ren), Florida Supreme Court Approved Family Law Form 12.902(f)(2), Marital Settlement Agreement for Dissolution of Marriage with Property but No Dependent or Minor Child(ren)

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