EIN GUIDE

EIN for Multi-Member LLC: What Owners Need to Know

If your LLC has two or more owners, you are required to have an EIN. Multi-member LLCs are treated as partnerships for federal tax purposes by default and must file Form 1065. There is no workaround — you cannot file a partnership return without an EIN. Here's what you need to know.

Updated June 2026 8 min read

Direct Answer

Multi-member LLCs are taxed as partnerships by default and must file Form 1065 with the IRS. Form 1065 requires an EIN. A multi-member LLC cannot legally operate without one. Apply for your EIN for free at IRS.gov immediately after forming your LLC. The requirement applies regardless of income level, state of formation, or whether the LLC is actively operating.

Why Multi-Member LLCs Are Required to Have an EIN

When the IRS sees an LLC with two or more members, it automatically treats it as a partnership for federal tax purposes — unless the owners elect corporate taxation (S-corp or C-corp). This default partnership treatment means:

The LLC must file Form 1065 (U.S. Return of Partnership Income) annually
The LLC must issue Schedule K-1 to each member
Form 1065 requires an Employer Identification Number (EIN)
The LLC cannot complete these filings using any member's personal SSN

This is a legal requirement under the Internal Revenue Code. There is no exception for small partnerships, inactive LLCs, or LLCs with no income.

Partnership Taxation and Form 1065

Form 1065 is the annual information return filed by partnerships — including multi-member LLCs treated as partnerships. It reports the LLC's total income, expenses, deductions, and credits for the year.

Key points about Form 1065:

Filed by the LLC, not by individual members: Form 1065 is an LLC-level filing. Individual members then file their own returns incorporating the K-1 information.
Due March 15 (for calendar-year partnerships): The partnership return deadline is one month earlier than the personal return deadline.
Extensions available: Partnerships can request a 6-month extension using Form 7004, moving the deadline to September 15.
No tax paid at the partnership level: Form 1065 is an information return. The LLC itself does not pay income tax on this form — income "passes through" to members who pay tax on their share.
Requires an EIN: The EIN must appear on the Form 1065. It is the primary identifier for the partnership with the IRS.

Item	Details
Annual filing	Form 1065 (U.S. Return of Partnership Income)
Due date	March 15 (calendar year); September 15 with extension
EIN required	Yes — without exception
Member reporting	Each member receives a Schedule K-1
Tax paid by	Individual members on their personal returns
Self-employment tax	Members who are active in the business typically pay self-employment tax on their share

Missed Deadline Penalties

Failing to file Form 1065 on time carries significant penalties. The IRS charges a penalty per partner, per month, up to 12 months. Verify current penalty rates at IRS.gov. Even a short delay can result in substantial penalties for a multi-member LLC.

Schedule K-1: What Members Receive

After the LLC files Form 1065, it issues a Schedule K-1 to each member. The K-1 shows each member's allocated share of the LLC's income, losses, deductions, and credits for the year.

Members use their K-1 to:

Report their share of LLC income on their personal Form 1040
Calculate self-employment tax on their active income
Report any separately stated items (capital gains, deductions, etc.)

The K-1 is issued by the LLC using its EIN. Members report this income on Schedule E (Supplemental Income and Loss) of their personal returns, not Schedule C.

EIN and Banking for Multi-Member LLCs

Every U.S. bank requires a multi-member LLC's EIN to open a business bank account. The EIN is also required for:

The LLC's business credit accounts
Any payroll setup (if the LLC employs workers)
State tax registration (sales tax, employer withholding, etc.)
Form W-9 when the LLC is paid by clients — multi-member LLCs check "Partnership" and use the EIN

How to Apply for an EIN for a Multi-Member LLC

Form the LLC with your state (both members' names will typically appear in the formation documents)
Go to IRS.gov EIN Online Application
Select entity type: "Limited Liability Company (LLC)"
Enter "More than 1" for the number of members
Complete the application with the responsible party's information (SSN or ITIN required)
Download your EIN Confirmation Letter (CP 575) immediately

→ Detailed guide: How to Apply for an EIN for an LLC

→ Full EIN overview: EIN for LLC: How to Get a Tax ID Number for Your Business

Multi-Member LLC EIN FAQs

Does each member of a multi-member LLC need their own EIN?

No. The LLC itself gets one EIN that represents the entire business entity. Individual members do not need separate EINs for their ownership interest in the LLC. Members report their share of LLC income using their personal SSNs on their individual returns.

What is a Schedule K-1 and do multi-member LLC members receive one?

Yes. A Schedule K-1 is a form issued by the LLC to each member showing their allocated share of the LLC's income, deductions, credits, and other tax items. Multi-member LLCs filing Form 1065 must issue a K-1 to every member. Members use their K-1 to report their share of LLC income on their individual tax returns.

Can a multi-member LLC use a member's SSN instead of an EIN?

No. Multi-member LLCs are required to file Form 1065 (partnership return), which requires an EIN. There is no provision to substitute a member's SSN for this purpose.

What happens if a multi-member LLC fails to file Form 1065?

Failing to file Form 1065 can result in a penalty of $235 per partner per month (as of recent IRS guidance), up to 12 months. Always verify current penalty amounts on IRS.gov, as they are subject to annual inflation adjustments.

Do we need a new EIN if we add a third member to our two-member LLC?

Generally no. Adding a member to an existing multi-member LLC does not require a new EIN, as long as the fundamental entity type (LLC) and its tax treatment (partnership) remain the same. However, certain structural changes — like converting the LLC to a corporation — may require a new EIN. Consult a tax professional for your specific situation.