10 USC 10150 - Ready Reserve: transfer back from Standby Reserve

Under regulations to be prescribed by the Secretary of Defense, and by the Secretary of Homeland Security with respect to the Coast Guard when it is not operating as a service in the Navy, a member of the Standby Reserve who has not completed his required period of service in the Ready Reserve may be transferred to the Ready Reserve when the reason for his transfer to the Standby Reserve no longer exists.