A time off plan's Upper Limit specifies the maximum number of hours or days that a worker can accumulate in the plan balance. Setting the upper limit to 200 hours instructs Workday to compare the worker's calculated balance with that ceiling during accrual processing. When a calculated accrual would raise the balance above
200 hours, Workday reduces the accrual by the excess amount. The excluded amount is reported as forfeited accrual.
For example, if a worker has 195 hours and is scheduled to accrue 12 hours, the preliminary balance is 207 hours. Workday applies the 200-hour upper limit and reduces the accrual by seven hours. The worker receives five hours, producing a final balance of 200 hours.
A Carryover Limit applies only when balances move from one balance period to the next; it does not prevent the balance from exceeding a threshold during the current period. Maximum Unpaid Time Off Units Allowed validates requests that exceed the available paid balance and is unrelated to accumulation. A Lower Limit controls how far a balance may be reduced before requested time becomes unpaid. Consequently, only the Upper Limit directly enforces the maximum accumulated plan balance.
Reference: Workday Education - Absence for Administrators: Time Off Plans and Components, "Upper Limits"