If you are not able to purchase, please follow the instructions below
1) Go to My Account at the top of the page
2) There will be an option for Request Additional Eligibility - Please choose option that states "I have an institutional e-mail address"
3) Once this process is complete, you will receive an e-mail to your inbox
4) Follow the instructions of the e-mail to get re-validated
5) Once this is complete you will again be eligibility to purchase from this web store
Please be aware that if your initial registration took place over a year ago, you will be required to re-validate your account. Please follow these steps to extend your validation for another year;