Payments
More about employer identification numbers (EINs)
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Getting Started
Handshake AI Fellowship: Getting started & staying safe
Next steps after applying to the Handshake AI Fellowship
From application to first project: your complete Handshake AI Fellowship journey
Introduction to the Handshake AI program
Handshake AI Fellowship onboarding checklist
Apply to the Handshake AI Fellowship
Troubleshooting Persona identity verification
Phone number verification for Handshake AI
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Handshake AI Fellowship expectations
Working as an AI Trainer with frontier labs through Handshake AI
Fellowship work authorization eligibility
Updating your Handshake AI email address
Linking your Handshake AI account to Handshake
How to showcase your Handshake AI Fellowship experience
Referring someone to the Handshake AI Fellowship
Safety: Protecting your personal information
How to recognize legitimate vs. fraudulent communications
How to identify fraud and scams
Handshake AI Fellowship support guide
Project Participation
Payments
More about employer identification numbers (EINs)
An EIN (employer identification number) is a number issued by the U.S. IRS to identify a business for tax purposes. It’s sometimes called a Federal tax ID.
Do I need an EIN?
Most people do not need an EIN.
If you’re participating as an individual (not a business), you will typically use your Social Security Number (SSN) instead.
You generally only need an EIN if you are working as a registered business, such as:
An LLC
A corporation
A partnership
How is this used?
Handshake AI uses your SSN or EIN only for tax and payment reporting, such as issuing required tax forms. Your information is handled securely.
Not sure which to use?
If you’re unsure whether you’re considered a business, a tax professional can help clarify. If you have account-specific questions, our Support team is happy to assist.