<P> ITINs are used by aliens who may or may not have the right to work in the US, such as aliens on temporary visas and non-resident aliens with US income . Often people need the identification number because they have been advised by a bank that no account will be opened without a number, even if the account is being opened by a non-profit organization . </P> <P> EINs are used by employers, sole proprietors, corporations, LLCs, partnerships, non-profit associations, trusts, estates of decedents, government agencies, certain individuals, and other business entities . </P>

Where to find tax id number on tax return