Getting an EIN for a Minnesota Limited Partnership

The IRS assigns each business a nine-digit federal tax ID called an Employer Identification Number. Think of it as the business equivalent of a Social Security number — it identifies the partnership to the IRS, to banks, and to anyone the LP does business with in a tax context.

Why a limited partnership essentially always needs one

A limited partnership has, by definition, more than one partner — at least one general and one limited. That structure means the LP files a partnership tax return (Form 1065) and issues a Schedule K-1 to each partner. A multi-owner entity that files a partnership return cannot use an individual's Social Security number for that purpose; it needs its own EIN. So unlike a single-member LLC, where an EIN is sometimes optional, an LP effectively requires one from the start.

Where you'll use it

• Opening a business bank account — banks require the LP's EIN, not a partner's SSN.
• Filing the partnership's federal return and issuing K-1s to the partners.
• Hiring employees and handling payroll tax obligations.
• State tax registrations in Minnesota, where applicable to your activity.

The EIN is one of the first things to get after the Certificate of Limited Partnership is filed, because so much of what comes next — banking especially — depends on it.

The single most important thing to know about EINs: the IRS issues them at no cost. You never have to pay a fee to the government for one, and you should be skeptical of any service that charges just to "obtain" your EIN, since the application is quick and free to do yourself.

The online application

Applying through the IRS EIN Assistant on IRS.gov is the fastest way to go. The application takes about ten to fifteen minutes, and when you complete it online, the EIN is issued immediately — you can download the confirmation letter and start using the number the same day. The online tool is available during posted IRS hours and must be completed in a single session; it times out if you leave it idle.

What you'll need on hand

• The LP's legal name exactly as filed on the Certificate of Limited Partnership.
• The LP's Minnesota address and mailing information.
• The name and taxpayer ID (SSN or ITIN) of the responsible party — the person who controls or manages the LP, typically a general partner.
• The reason for applying and the number of expected employees, if any.

Timing relative to formation

Wait until the LP is actually formed before applying, so the legal name and details on the EIN match the entity on record. Applying for an EIN for an LP that doesn't yet exist creates mismatches that are annoying to fix later.

The EIN application asks for a "responsible party," and getting this right matters — it's the person the IRS treats as controlling the entity.

Who the responsible party is

For a limited partnership, the responsible party is generally a general partner — the person who actually manages and controls the LP. If an entity (like an LLC) serves as the general partner, the responsible party is ultimately an individual who controls that entity; the IRS wants a natural person with a taxpayer ID, not an entity, in that field for most applications.

Applying without an SSN

The online EIN tool requires the responsible party to have a U.S. Social Security number or ITIN. If the responsible party has neither — common for foreign general partners — you cannot use the online assistant. Instead, you complete Form SS-4 and submit it by fax or mail. Processing takes longer than the instant online route (days by fax, weeks by mail), so plan ahead if this applies to your LP.

One EIN per entity

An LP needs a single EIN for itself. You don't get a separate EIN for each partner, and you don't reuse a partner's personal EIN or a different entity's number. If the general partner is a separate LLC, that LLC has its own EIN, and the LP has its own — two entities, two numbers.

The EIN isn't the finish line; it's the key that unlocks the next practical steps of getting the LP operational.

Open the business bank account

Separating the LP's finances from the partners' personal accounts is essential — for clean bookkeeping, for the partners' protection, and for the credibility of the entity. Banks will ask for the filed Certificate of Limited Partnership, the EIN confirmation, the partnership agreement, and ID for the authorized signers. Have all of it ready before you go in.

Keep the confirmation letter safe

The IRS confirmation (the CP 575 letter for online applicants) is the official record of your EIN. Store it somewhere retrievable — you'll be asked for the EIN repeatedly, and having the letter avoids guessing or re-requesting it. If you lose it, you can later request a confirmation (a 147C letter) from the IRS, but that's an extra hassle to avoid.

Use it consistently

Use the LP's exact legal name and EIN on tax filings, bank documents, and state registrations. Inconsistencies between the name on the EIN, the name on the certificate, and the name on your bank account create friction that's easy to prevent by keeping everything aligned from day one.