These checks are necessary to have sound internal controls. It may be that all maintenance is not critical or couldn't cause problems. However, do you have a dormant account indicator on your deposit accounts? Would changing that to an active account by an employee who then drains the account be considered "critical"? Before taking that suggestion - look at all the field that could be maintenanced to determine where the most damage could occur if it wasn't caught immediately.
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"Once you learn to read, you will be forever free."
- Frederick Douglass
My Opinion Only.