: If you are a vendor or an institutional customer, contact your dedicated account manager or the billing department directly to request a copy for your records.

You sign and date the form. An unsigned W-9 is legally invalid. By signing, you certify under penalty of perjury that:

Sometimes, the tables turn. Your school, university, or organization may be paying McGraw Hill for textbooks, access codes, or digital platforms, and your Accounts Payable department might ask you for . This is because your institution needs to report payments made to the vendor (McGraw Hill) if they exceed $600 for services (though payments for goods like books are generally exempt, many AP departments request it for their files anyway).

You will likely need to submit a W-9 to McGraw Hill if you fall into any of these categories:

Educators and industry professionals often consult on curriculum development. Whether reviewing content for accuracy or creating problem sets, these individuals are treated as vendors, necessitating a W-9.