Employer identification number

In accounting, employer identification number means the federal tax ID number the IRS assigns to a business, tax-exempt organization or other entity — the number on its returns, its payroll filings and the W-9 it gives customers.

Also called EIN.

Authority: IRS — Employer identification number (opens in a new tab). Sources

Employer identification number, in use

Quoted from the document that use the word: what it does to an interface, in the spec's own words.

IBAN (mod-97, check digits 02–98, registry length), ABA routing (3-7-1 checksum and assigned prefix), EIN (assigned prefix), VAT number format by country plus the national check digit where one is published, ISIN, LEI (ISOEquity & financingIncentive stock optionA stock option meeting IRC §422: employees only, granted under a stockholder-approved plan, strike at least fair market value, exercisable for no more than ten years. No regular tax at grant or exercise (the spread can trigger AMT); gain is capital if the stock is held two years from grant and one from exercise. Only $100,000 of stock, valued at grant, may first become exercisable in a calendar year 17442), credit-card Luhn.
Lopifi Tools — the accountant's toolbelt — Identifiers

For founders

The same idea written for a founder: what it costs a startup that ignores it, and what to do in a real month.

W-9s and backup withholding: a vendor onboarding guideWhen to ask for a W-9, how IRS TIN matching works, and what happens when a vendor won’t give you one: 24% backup withholding, owed by you.

What it is not called

Each of these means something else. Use one here and an accountant reading the product notices.

tax ID unqualified (an individual's is an SSN or ITIN)
state ID

Components that render this

These components name it in their spec, grouped and labeled exactly as the catalog shows them.

14Tax & compliance

Family spec

TaxIdInputEIN, SSN, VAT and GST numbers with per-scheme format checks, masked at rest.

Also in Entity & compliance

Authorized shares
Beneficial ownership information report
Delaware franchise tax
Foreign qualification
Form 5472Entity & complianceForm 5472The IRS information return a US corporation that is 25% or more foreign-owned at any time in the year — or a US disregarded entity wholly owned by a foreign person — attaches to its income tax return to report transactions with related foreign parties. $25,000 penalty for each failure to file, and $25,000 more for each 30 days it continues past 90 days after IRS notice
Good standing
Registered agent
State annual report

Defined in Lexicon. This page is generated from that document, so the two can't disagree.

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Employer identification number

Employer identification number, in use

For founders

What it is not called

Components that render this

14Tax & compliance

Also in Entity & compliance

Keyboard shortcuts

Everywhere

Employer identification number

Employer identification number, in use

For founders

What it is not called

Components that render this

14Tax & compliance

Also in Entity & compliance