The Program Guide for Students and Fellows and the Award Holder's Guide contain information that will be needed by applicants for and holders of NSERC awards. These guides supersede all previous versions and take effect on September 1, 2013. NSERC may, without notice, alter the programs or the terms and conditions of the awards. Any major changes will be announced immediately on this Web site and the effective date will be the date indicated at the bottom of the relevant Web page.