Pre/Post Change Validation Sheet

Live Now: capture pre-change baselines and post-change outcomes in one printable validation sheet.

UK format guidance: use DD/MM/YYYY for dates and include ticket references in notes/evidence.

Site / Client

Change ID

Engineer

Reviewer / Approver

Change Window Start (DD/MM/YYYY HH:MM)

Change Window End (DD/MM/YYYY HH:MM)

Change Type

Change Summary

Rollback Trigger / Plan

Total Checks

Pass

Review

Fail

Critical	Category	Validation Check	Method	Pre Status	Post Status	Result	Evidence / Notes	Owner	Action

Result logic: Pass = pre and post align or post improved; Review = one side N/A or Unknown; Fail = regression or any failed post check.

Change Validation Summary

Tip: paste summary into change ticket closure notes.