Description on Site: If First IN/Out pair total is greater than or equal number hours, add/subtract number minutes from it.
When this rule is in place, if the first set of IN/Out punches total is greater /less than (or equal to) a specified number of hours, the system will automacially add/subtract a specified number minutes from it. This will help prevent employees from accidently overcharging if they forget to punch out and back in for lunch.
NOTE: This rule only works with default charge codes.

Employee forgot to clock out for lunch on Monday and Wednesday, so when they saved their timesheet, they system automatically deducted the 30 minutes from their Hours Worked.
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