Effective January 1, 2017 the Drug Enforcement Administration will eliminate the informal grace period for Registrants who fail to timely renew their Certificates of Registration. The Agency will send a single reminder to Registrants approximately 65 days prior to the expiration date. No further reminders will be issued. Registrants who fail to submit renewal applications timely will be unable to renew through the online portal, They must use the paper renewal application.