Instructions for Submitting Your State Sales Tax Exemption Certificates

During the registration process, you indicated that orders from your online account should qualify for a state sales tax exemption. Please follow the instructions below to send us your State Sales Tax Exemption Certificates.

Fax Instructions

Download a printable fax cover sheet for you to use when faxing your States Sales Tax Exemption Certificate(s). This cover sheet contains important pre-populated information needed to process your request to validate the sales tax exemption associated with your online account.

Fax the cover sheet and your Sales Tax Exemption Certificate(s) to: 877-235-3826

Mailing Instructions

Please include your online account email address on the documents (copies only) you are sending and mail them to:

Houghton Mifflin Harcourt Master Data Management 255 38th AveSt Charles, IL 60174