Yes! You can use AI to fill out Fidelity Investments 403(b) Beneficiary Designation

This form is a legal document provided by Fidelity Investments for owners of 403(b) retirement plans to officially designate their primary and contingent beneficiaries. Properly completing this form is crucial to ensure your retirement savings are distributed according to your wishes, potentially avoiding probate court. 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.
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Form specifications

Form name: Fidelity Investments 403(b) Beneficiary Designation
Number of pages: 1
Language: English
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How to Fill Out Fidelity 403(b) Beneficiary Designation Online for Free in 2026

Are you looking to fill out a FIDELITY 403(B) BENEFICIARY DESIGNATION form online quickly and accurately? Instafill.ai offers the #1 AI-powered PDF filling software of 2026, allowing you to complete your FIDELITY 403(B) BENEFICIARY DESIGNATION form in just 37 seconds or less.
Follow these steps to fill out your FIDELITY 403(B) BENEFICIARY DESIGNATION form online using Instafill.ai:
  1. 1 Navigate to Instafill.ai and upload the Fidelity 403(b) Beneficiary Designation form or select it from their template library.
  2. 2 Use the AI assistant to fill in your personal information in Section 1, including your name, Social Security number, date of birth, and employer details.
  3. 3 In Section 2, specify your primary beneficiaries. Provide their names, relationship, SSN or TIN, and the percentage of assets each should receive, ensuring the total is 100%.
  4. 4 Designate contingent beneficiaries in the next part of Section 2. These individuals will inherit the assets if your primary beneficiaries are deceased.
  5. 5 If you are married and have not designated your spouse as the primary beneficiary for at least 50% of the account, complete the Spousal Consent section (Section 3), which requires your spouse's signature and notarization.
  6. 6 Carefully review all entered information for accuracy, then electronically sign and date the authorization in Section 4.
  7. 7 Download the completed form and submit it to Fidelity via one of the methods listed, such as their mobile app or mail.

Our AI-powered system ensures each field is filled out correctly, reducing errors and saving you time.

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Frequently Asked Questions About Form Fidelity 403(b) Beneficiary Designation

This form is used to name the person(s), trust, or entity that will inherit your Fidelity 403(b) account assets upon your death. You should also use this form to update or change your existing beneficiaries.

Any individual with a Fidelity 403(b) account who wants to designate beneficiaries for the first time or update their previous designations should complete this form.

You can submit the form digitally using the NetBenefits mobile app, or by sending it via regular or overnight mail to the addresses listed in Section 1 of the form.

Your plan requires you to name your spouse as the primary beneficiary for at least 50% of your account. If you wish to designate someone else for that portion, your spouse must sign the 'Spousal Consent' section in the presence of a notary.

No, divorce does not automatically revoke your beneficiary designation. You must submit a new Beneficiary Designation form to remove an ex-spouse and name a new beneficiary.

You will need their full name, Social Security Number (or Tax ID for a trust/charity), date of birth (or trust creation date), and relationship to you. You must also assign a specific percentage of your assets to each one.

Yes, you are not limited to three. If you need to name more beneficiaries, you can attach a separate, signed, and dated piece of paper with the additional information.

The percentage allocations for your contingent beneficiaries must also total 100%. This group is separate from the primary beneficiaries, so you will have two sets of designations that each add up to 100%.

No, do not send a copy of the trust agreement with the form. You only need to provide the trust's name, the date it was created, and its Tax Identification Number (TIN).

If you do not designate a beneficiary, any distributions from your account will be made according to the rules of your specific plan document. This may not align with your wishes, so it is important to complete the form.

No, the form specifies that your primary beneficiary cannot also be designated as your contingent beneficiary. Contingent beneficiaries only inherit the assets if all primary beneficiaries are no longer living at the time of your death.

Yes, services like Instafill.ai use AI to accurately auto-fill form fields from your saved profile, which can save you time and help reduce errors.

You can use a service like Instafill.ai to fill out the form online. Simply upload the PDF, and the tool will allow you to type your information directly into the fields before printing for signature.

If you have a non-fillable or 'flat' PDF, a tool like Instafill.ai can convert it into an interactive, fillable form. This allows you to easily type in your information instead of printing and filling it out by hand.

Compliance Fidelity 403(b) Beneficiary Designation
Validation Checks by Instafill.ai

1
Primary Beneficiary Percentage Summation
This check verifies that the sum of all percentages assigned to primary beneficiaries equals exactly 100%. This is critical to ensure the entire account balance is allocated without ambiguity upon the participant's death. If the total is not 100%, the form is considered invalid and will be rejected, requiring the participant to correct the percentages.
2
Contingent Beneficiary Percentage Summation
If any contingent beneficiaries are designated, this validation ensures their assigned percentages also sum to exactly 100%. This rule prevents partial or unallocated funds if all primary beneficiaries predecease the account holder. A failure in this check will result in the form being returned for correction, as the contingent designation is incomplete.
3
Participant Signature and Date Presence
This check confirms that the participant has provided a signature and date in Section 4, 'SIGNATURE AND AUTHORIZATION'. The signature legally authorizes the beneficiary designation, making it a non-negotiable requirement for the form's validity. Without a valid signature and date, the designation is not effective and the form will be rejected immediately.
4
Spousal Consent Requirement Logic
This validation is a conditional check that activates if the participant indicates they are 'Married'. It verifies that if the designated spouse as a primary beneficiary receives less than 50% of the account, the 'Spousal Consent' section (Section 3) is completed. This is a legal requirement under many retirement plans to protect spousal rights, and failure to provide consent when required will invalidate the designation.
5
Spousal Consent Section Completeness
When spousal consent is required, this check ensures that Section 3 is filled out completely. This includes the spouse's signature, the date, and all notary public or plan representative details, such as their signature, the date of witness, and notary commission information. Incomplete information in this section makes the spousal waiver legally insufficient, causing the form to be rejected.
6
Beneficiary Uniqueness Across Categories
This check ensures that no individual, trust, or entity is listed as both a primary and a contingent beneficiary. The roles are mutually exclusive, as contingent beneficiaries only inherit if all primary beneficiaries are no longer living. Listing the same entity in both categories creates a logical impossibility for asset distribution, requiring the form to be corrected.
7
Social Security Number Format
This validation verifies that all Social Security Number (SSN) fields for the participant and any individual beneficiaries are entered in a valid 9-digit format (e.g., XXX-XX-XXXX). A correct SSN is crucial for proper identification and tax reporting. An incorrectly formatted SSN will cause a processing failure and require correction to ensure the beneficiary can be properly identified when a claim is filed.
8
Trust Date Validity
For any beneficiary designated as a trust, this check confirms that the 'Trust Date' is on or before the date the participant signs the form. A trust must be legally established before it can be named a beneficiary. A future trust date indicates the entity does not yet exist, making the designation invalid and requiring resubmission once the trust is established.
9
Beneficiary Information Completeness
This validation ensures that for every beneficiary listed, all required fields corresponding to their type are filled. For an 'Individual', this means a name, SSN, and date of birth must be provided; for a 'Trust', the trust name and date are required. Missing information can make it impossible to identify or contact the beneficiary, leading to significant delays and legal complications during the payout process.
10
Marital Status Declaration
This check confirms that the participant has explicitly selected either 'Single' or 'Married' in Section 1. This selection is mandatory as it dictates whether the spousal consent rules apply. Failure to declare a marital status leaves the form in an ambiguous state and will halt processing until the information is provided.
11
Whole Percentage Validation
This check ensures that all percentage fields for both primary and contingent beneficiaries contain only whole numbers. The form explicitly states to use whole percentages, and using fractions or decimals can lead to calculation errors and ambiguity in distribution. Forms submitted with non-whole percentages will be returned for correction to ensure clear and precise allocation.
12
Date of Birth and Signature Date Consistency
This validation checks that the participant's 'Date of Birth' in Section 1 indicates they are of a reasonable age to be opening or managing a retirement account (e.g., older than 18). It also cross-references this with the 'Age 35 requirement' mentioned in the spousal consent section, flagging potential issues where a designation might become void in the future. An invalid date of birth or a date that conflicts with legal requirements will cause the form to be flagged for review or rejection.

Common Mistakes in Completing Fidelity 403(b) Beneficiary Designation

Beneficiary Percentages Don't Total 100%

A frequent error is when the assigned percentages for the primary or contingent beneficiary groups do not sum to exactly 100%. This often happens due to a simple miscalculation or when adding or removing a beneficiary. An incorrect total will cause the form to be rejected, delaying the designation and leaving the account with its prior beneficiary status until the form is corrected. To prevent this, carefully double-check that the percentages for each group (primary and contingent) separately add up to 100%. Tools like Instafill.ai can automatically validate these totals during data entry.

Missing or Improper Spousal Consent

If a married participant designates someone other than their spouse for 50% or more of the account, the spouse must sign the consent section. People often miss this requirement, or they get the signature but fail to have it witnessed and stamped by a notary public or plan representative. This invalidates the non-spouse designation, which could result in the spouse automatically receiving benefits contrary to the participant's wishes. Always complete Section 3 if you are married and naming a non-spouse primary beneficiary.

Incomplete Beneficiary Information

Applicants often forget to provide critical details for each beneficiary, such as a full legal name, Social Security Number, and date of birth for an individual, or the exact trust name and creation date for a trust. This missing information makes it difficult for Fidelity to identify and pay the correct person or entity upon the participant's death. This leads to significant processing delays and potential legal hurdles for your heirs. Carefully fill every required field for each beneficiary you list.

Forgetting the Participant's Signature and Date

The participant's signature and date in Section 4 are what legally authorize the entire designation. It is a common oversight to miss this final step after filling out all the beneficiary details. An unsigned or undated form is invalid and will be rejected, meaning your previous beneficiary designation (or the plan's default rules) will remain in effect. Always perform a final check for your signature and the current date in Section 4 before submission.

Listing the Same Person as Primary and Contingent

The form explicitly states that a primary beneficiary cannot also be named as a contingent beneficiary. The purpose of a contingent beneficiary is to inherit assets only if all primary beneficiaries have passed away before the account holder. Listing the same person in both roles is logically inconsistent, will cause processing errors, and leads to the form's rejection. Ensure your contingent beneficiaries are entirely different individuals or entities from your primary beneficiaries.

Confusing Individual and Trust Information Fields

The form has distinct fields for an 'Individual' beneficiary versus a 'Trust Name' and for a 'Social Security Number' versus a 'Tax ID Number.' A common mistake is entering a trust's name in the individual field or an individual's SSN in the Tax ID field. This data mismatch will cause the form to be flagged for correction, delaying its acceptance. Pay close attention to the labels and provide the correct information in the corresponding field for each beneficiary type.

Improperly Attaching Additional Beneficiaries

When naming more than three beneficiaries, the form requires attaching a separate, signed, and dated paper. People often forget to sign and date the attachment, or they try to squeeze extra names into the form's margins. An improperly attached addendum is not legally valid, and those beneficiaries will not be recognized by Fidelity. Ensure any attached sheets are clearly labeled with your information and include your signature and the date.

Assuming Divorce Automatically Revokes a Beneficiary

A critical misunderstanding is that divorce automatically removes an ex-spouse as a beneficiary. As the form's instructions clarify, a prior designation remains valid until a new, completed form is submitted. Failing to update your beneficiaries after a divorce could result in your ex-spouse inheriting your retirement account, even if you have remarried. Always submit a new Beneficiary Designation form after major life events like divorce, marriage, or death of a beneficiary.

Omitting Marital Status in Section 1

Forgetting to check the 'Single' or 'Married' box in Section 1 is a simple but impactful mistake. This information is crucial for the plan administrator to determine whether the spousal consent rules apply to your designations. Leaving this field blank creates ambiguity and will likely cause the form to be returned for completion, halting the entire process until it is clarified.

Submitting an Illegible or Non-Fillable PDF

Many people print this form and fill it out by hand, which can result in illegible handwriting. Unclear names, numbers, or addresses can lead to data entry errors by the processing team, potentially causing future complications for your heirs. To ensure clarity, use the digital submission method or a fillable PDF. If only a non-fillable PDF is available, a service like Instafill.ai can convert it into a fillable version, ensuring your entries are typed, legible, and correctly formatted.
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