Operating Reactor Correspondence
To stay current with news and information about unirradiated fissile material package correspondence, you may subscribe to e-mail updates via the GovDelivery subscription service on a wide range of topics. Simply log in to GovDelivery and choose from a number of topics organized by category.
The NRC's Lyris subscription service was retired in January 2026. Many of these Lyris topics have been migrated to GovDelivery under Correspondence » Operating Reactor Correspondence.
If you have any questions about using GovDelivery, please contact the NRC Web Team.
Page Last Reviewed/Updated Thursday, January 22, 2026
Page Last Reviewed/Updated Thursday, January 22, 2026