What campaign changes need to be re-approved by compliance?

A campaign could be sent to be re-approved by the compliance team when the following changes are made:
▪ Category modification
▪ Ad format
▪ Country
▪ OS
▪ Device
▪ Audience 

Below is the list of actions that can trigger a partial "pending” status:
▪ New creative added
▪ New URL added
▪ URL modification
▪ Creative modification