https://www.ibm.com/docs/en/ims/15.3.0?topic=mdiibbior-backing-out-intermediate-backout-point-sets-setu-rols
IMS 15.3 - Application programming - Backing out to an intermediate backout point: SETS, SETU, and...
You can use a ROLS call either to back out to an intermediate backout point that was established by a prior SETS or SETU call, or to back out to the prior...
https://www.ibm.com/docs/en/connect-direct/6.3.0?topic=files-backout-migrate-stats-data-back-previous-version
Backout or Migrate STATS data back to Previous Version
back to previousbackoutmigratestatsdata