I export vegetables from mexico to the us, I will start selling to a chain of stores that ask me to fill up a w-8 form and I don't know which one I should fill.
I make an invoice in mexico deliver the goods and receive a check that I bring back to mexico exchange it to pesos and buy again. The money does not stays in the us

Are you present in US to do this business?

No I have a warehouse in tijuana mexico, from there we ship to California almost every day, we close the business most of the times by phone , we deliver and after the term we pick up the checks and bring them to mexico and exchange the checks to pesos in mexican banks, thanks for your help.
We don´t have a corporation in the us and no IRS number or similar

No I have a warehouse in tijuana mexico, from there we ship to California almost every day, we close the business most of the times by phone , we deliver and after the term we pick up the checks and bring them to mexico and exchange the checks to pesos in mexican banks, thanks for your help.
We don´t have a corporation in the us and no IRS number or similar

You will file Form W-8BEN.

Thanks for the info. Does anyone know where I can find a blank "2014 IRS W-8ECI" to fill out?

Thanks for the info. Does anyone know where I can find a blank "2014 IRS W-8ECI" to fill out?

Google it and you will get your answer!

You can download the Form from Internal Revenue Service (http://www.irs.gov).

Just in case anyone needs a blank W-8eci form, I found a fillable form here: http://pdf.ac/2p4SdG

All PDF Forms from the IRS website are fillable.