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Finance
Form SS-4

Form SS-4

IRS Form SS-4 is used to apply for an Employer Identification Number (EIN) for a business, nonprofit, government entity, trust, estate, or other applicant.

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Shared Room Rental Contract and Agreement for co-living rental arrangements

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Shared Room Rental Contract and Agreement for co-living rental arrangements page 0

Shared Room Rental Contract and Agreement for co-living rental arrangements page 1

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Frequently asked questions

Form SS-4 (Rev. 12-2025) is an IRS application used to request an Employer Identification Number (EIN). It asks for the applicant’s legal name and trade name, mailing and street address, county/state of principal business, and the responsible party’s name and SSN/ITIN/EIN. The filer selects the entity type (sole proprietor, partnership, corporation, nonprofit, government, trust/estate, etc.), provides incorporation location if applicable, and states the reason for applying. It also requests business start/acquisition date, accounting year closing month, expected employee counts, first wage payment date, principal activity and services/products, and any prior EIN. The applicant must sign and date under penalties of perjury; an optional third-party designee section authorizes someone to receive the EIN.
Businesses, nonprofits, trusts/estates, government agencies, tribal entities, and other applicants who need an IRS Employer Identification Number (EIN).
Submit to the IRS using the methods listed in the Form SS-4 instructions at https://www.irs.gov/FormSS4 (for example, online, fax, or mail as applicable).

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