Commissioners Vote to Extend Inservice Inspection Surveillance Program
SECY-21-0029 will initiate a rulemaking to extend the required Inservice Inspection (ISI) Program and Inservice Testing (IST) Program Code of Record update frequency from 120 months to 240 months.
https://www.morganlewis.com/blogs/upandatom/2021/11/commissioners-vote-to-extend-inservice-inspection-surveillance-program