IRS Instruction 4461-B – IRS Forms, Instructions, Pubs 2026 – In the complex world of retirement plan approvals, IRS Form 4461-B plays a crucial role for mass submitters and providers seeking approval for standardized or nonstandardized pre-approved plans. Whether you’re a mass submitter handling applications on behalf of adopting providers or navigating the requirements for master, prototype, or volume submitter plans, understanding the instructions for Form 4461-B is essential. This SEO-optimized guide breaks down everything you need to know about IRS Instruction 4461-B, including its purpose, filing process, and key updates as of 2026. We’ll draw from official IRS sources to ensure accuracy and reliability.
What is IRS Form 4461-B?
IRS Form 4461-B, titled “Application for Approval of Standardized or Nonstandardized Pre-Approved Plans,” is a specialized form used exclusively by mass submitters. It allows them to apply for IRS approval of a plan on behalf of an adopting provider, where the plan is based directly on one submitted by the mass submitter. This form is part of the IRS’s framework for pre-approved retirement plans under Section 401(a) of the Internal Revenue Code, ensuring plans meet qualification standards before adoption by employers.
Unlike general retirement plan forms, Form 4461-B focuses on mass-submitted plans, including those that are word-for-word identical or involve minor modifications to a mass submitter’s base plan. It’s distinct from related forms like Form 4461 (for defined contribution plans) or Form 4461-A (for defined benefit plans), but all share the goal of streamlining approvals for pre-approved plans.
Purpose of Form 4461-B
The primary purpose of Form 4461-B is to request IRS opinion letters confirming that a pre-approved plan complies with tax laws. This approval helps providers offer plans to employers with confidence in their qualified status, reducing the risk of future disqualifications. Specifically, it applies to plans submitted by mass submitters on behalf of providers adopting the same or slightly modified versions of the mass submitter’s plan.
By obtaining approval, providers can market these plans to at least 15 employer-clients, ensuring broad accessibility while maintaining IRS compliance. This process supports efficient retirement plan administration, benefiting both providers and adopting employers.
Who Must File Form 4461-B?
Only mass submitters are eligible to file Form 4461-B. According to IRS definitions outlined in Revenue Procedure 2023-37, a mass submitter is an entity with an established U.S. business accessible every business day that submits applications for at least 15 unaffiliated providers, each sponsoring the same plan on a word-for-word identical basis. Affiliation is determined under IRC Sections 414(b) and (c), and entities like law firms are considered affiliated with their partners or associates.
Providers, on the other hand, include any person (potentially the mass submitter itself) with a U.S. business who expects at least 15 employer-clients to adopt their pre-approved plans. Providers can also be word-for-word or minor modifier adopters of a mass submitter’s plan, even without a minimum client threshold. If you’re not a mass submitter, you cannot file this form directly—consider related forms like Form 4461 for other plan types.
How to File Form 4461-B: Step-by-Step Process?
Filing Form 4461-B is now fully electronic, making the process more efficient. As of August 1, 2024, submissions must be made through Pay.gov, with optional electronic filing available from July 1, 2024. Here’s how to file:
- Register on Pay.gov: Create an account at Pay.gov if you don’t have one.
- Search and Select the Form: Enter “4461-B” in the search box and choose Form 4461-B.
- Complete the Form: Fill out all required fields accurately. The application must be signed by both the mass submitter and the provider. If using a power of attorney for the provider’s signature, attach it.
- Attach Documents: Consolidate attachments (e.g., power of attorney, certification regarding interim amendments) into a single PDF no larger than 15MB. If it exceeds this, fax excess documents to 844-255-4818, including your Pay.gov tracking ID, EIN, applicant name, and plan name on the cover sheet. Fax size limit is 150MB; split if necessary.
- Pay the User Fee: Include the appropriate fee from Revenue Procedure 2024-4 (or the latest version). Fees are updated annually and must accompany the application; otherwise, it will be returned unprocessed.
- Submit and Confirm: After submission, confirm fax receipt if applicable by calling 855-244-1311.
Do not submit a full copy of the plan unless specifically required (e.g., for minor modifications under line 5 instructions). Incomplete applications will be returned without processing.
Detailed Instructions for Completing Form 4461-B
Follow these specific instructions from IRS Instruction 4461-B (Rev. June 2024) to ensure your application is accurate:
- Line 2a: Enter the applicant’s name and address. Use a P.O. box if mail isn’t delivered to the street address.
- Line 3a: Provide contact details for an employee or authorized representative of the mass submitter. Attach a power of attorney if the contact isn’t an employee.
- Line 4a: Input the two-digit number for the single document plan or basic plan document.
- Line 4b: Enter the three-digit number for the adoption agreement (starting from “001” for each unique agreement).
- Line 5: For word-for-word identical plans, no plan copy is needed. For minor modifications, submit a highlighted copy and explanation of changes within 21 days of IRS notification that the lead plan appears approvable.
- Line 7: If filing simultaneously with the mass submitter’s application, provide the base plan’s numbers; otherwise, include file folder number, opinion letter serial number, and date of the mass submitter’s opinion letter.
For disclosure requests, submit a written authorization or Form 2848 to allow IRS discussions with designated persons.
User Fees and Additional Requirements
User fees are outlined in Revenue Procedure 2024-4, available on the IRS website, and vary based on the application type. No Form 8717-A is required for Pay.gov submissions. Maintain records as per the Privacy Act and Paperwork Reduction Act notices, with estimated completion times including recordkeeping (5 hours 58 minutes), learning (52 minutes), preparing (1 hour 56 minutes), and sending (16 minutes).
Recent Updates to IRS Instruction 4461-B
As of January 23, 2026, the form and instructions remain based on the June 2024 revision, with no major developments reported. Key changes from prior years include mandatory electronic filing via Pay.gov and updated definitions from Revenue Procedure 2023-37. Always check IRS.gov for the latest versions, as legislation may impact requirements.
Related Resources and Forms
For more information:
- Instructions for Form 4461-B (PDF)
- Form 2848: Power of Attorney and Declaration of Representative
- Form 4461: For defined contribution plans
- Form 4461-A: For defined benefit plans
- Revenue Procedure 2024-4: User fee schedule
- Revenue Procedure 2023-37: Mass submitter definitions
This guide is for informational purposes only and is not a substitute for professional tax advice. Consult a qualified tax advisor or visit IRS.gov for personalized guidance on filing IRS Form 4461-B. Stay compliant and ensure your pre-approved plans meet all IRS standards for a secure retirement future.