Course access is either 90 or 180 days from date of purchase, after which you will no longer have access to the course. These timeframes are listed on each course registration page as well as within the course itself. To regain course access, the course would need to be repurchased.
ONS is currently offering 30-day extensions on courses that have closed or will close within 30 days of request. To request an extension, please click on the Submit a Request link above and complete the Extension Request Form. Course extensions will be ending on 12/31/2021.