마지막 업데이트 날짜
2021년 4월 29일
Previous versions of a rule are accessed from within the rule itself. When viewing the rule, click the box in the upper-right corner indicating the revision number and status of the revision. The drop-down shows all previous versions of the rule and the status. To revert a change, select the revision date and click 'select this revision' at the bottom of the page.
