Note: If "Insert Hours" is disabled. Navigate to Maintenance - Security and REMOVE "Disable Edit function for Approvers" permission for approvers.
Navigate to Timesheet - Approve Timesheet - Insert Hours.

Step 3: Select Date, Hours and Earning Code.

Result: Microix adds additional line with 1 hour if approver tries to add 9 hours on timesheet.
Note: Timesheet already contained 8 hours of earning.
Microix will not allow adding hours less than the existing hours on timesheet