Records
When the sheet can stop
Parallel for one cycle. Then retire the file you no longer trust more than the record.
October 28, 2026
Retiring a spreadsheet is not a slogan. It is a date after a pay cycle that matched.
Keep the sheet through the first parallel run. Compare people, time, and the line that still needs a person.
Only then move the month onto the record. Edge cases stay named, not hidden in a new tab.
Nothing here claims a measured cutover. It names the habit for a first demo.