Reminder: Don't include Social Security numbers on publicly disclosed forms

Do not include personal identifying information in discloseable returns.
General Information
Charities and Nonprofits

Employer identification number

Find out if you need an employer identification number (EIN). Get one online, free from the IRS. Don’t pay for an EIN.
General Information
Small Businesses

Publication 4757, Individual Taxpayer Identification Number (ITIN)

Publication 4757, Individual Taxpayer Identification Number (ITIN), is used by SPEC Relationship Managers as an outreach tool to provide information to partners about individual taxpayer identification numbers (ITINs).
Forms and Instructions

Publication 5918, Continuing Education Provider Program Numbering Sequence

Publication 5918, Continuing Education Provider Program Numbering Sequence
Forms and Instructions

Publication 5726, Individual Taxpayer Identification Number Acceptance Agents Training

Publication 5726, Individual Taxpayer Identification Number Acceptance Agents Training
Forms and Instructions

Publication 5845, Do you need a new Employer Identification Number?

Publication 5845, Do you need a new Employer Identification Number? Generally, businesses need a new EIN when their ownership or structure has changed.
Forms and Instructions

Employer identification number

Review the requirements and process for obtaining an employer identification number for tax-exempt organizations.
General Information
Charities and Nonprofits

Treasury, IRS request public comments on product identification number requirement to claim the Energy Efficient Home Improvement Credit

IR-2023-253, Dec. 29, 2023 — The Department of the Treasury and the Internal Revenue Service issued Notice 2024-13 announcing that the IRS intends to propose regulations to implement the product identification number (PIN) requirement with respect to the energy efficient home improvement credit.
News
News Media

Publication 4520, Acceptance Agents' Guide for Individual Taxpayer Identification Number (ITIN)

Publication 4520, Acceptance Agents' Guide for Individual Taxpayer Identification Number (ITIN), provides guidance to agents authorized to assist alien individuals and other foreign persons in obtaining ITINs or EINs from the IRS.
Forms and Instructions
Tax Professionals

Publication 1915, Understanding Your IRS Individual Taxpayer Identification Number (ITIN)

Publication 1915, Understanding Your IRS Individual Taxpayer Identification Number (ITIN), discusses ITINs, which are tax processing numbers, issued by the Internal Revenue Service, for certain resident and nonresident aliens, their spouses, and their dependents.
Forms and Instructions