Payroll: Earnings, Deductions, and the Pay Calculation Cycle
Pay components and the pay group
Workday Payroll calculates pay from pay components - earnings (salary, hourly, bonus), deductions (pre-tax and post-tax), and employer contributions. Each worker belongs to a pay group, which defines the pay frequency, pay period schedule, and pay calendar. The pay calendar determines period start/end, pay date, and cutoff dates. A frequent exam trap: confusing the pay period end date with the pay date. They are different, and off-cycle payments use separate calendars.
The calculation sequence
Payroll runs through a defined sequence: input gathering → calculation → accumulation → auditing → settlement/payment. During calculation, Workday evaluates calculation tags (e.g., earnings, deductions, taxes, accumulators) in dependency order. Accumulators roll up period-to-date, quarter-to-date, and year-to-date balances and feed eligibility rules (e.g., a deduction stops when a YTD cap is met). Understanding accumulator order is essential - a question may ask why a deduction did not apply, and the answer is often that the accumulator had already reached its limit.
Eligibility, arrears, and retro
Eligibility rules determine whether a worker or pay component is included in a run. Arrears occur when a deduction cannot be fully taken (e.g., insufficient net pay); the balance carries forward. Retroactive pay recalculates prior periods when a change is backdated. Know that retro processes compare the original result to the recalculated result and pay the difference.
Off-cycle and on-demand
On-cycle runs follow the calendar; off-cycle runs (manual, corrective, termination) use a separate off-cycle calendar and often bypass normal cutoff logic. Questions often test which payment type to use for a missed payment versus a correction.
Worked example
An employee's deduction is capped at $3,000 YTD. By period 20 the accumulator is $2,950 and the deduction is $100. The system takes $50 to reach the cap and does not place the remaining $50 in arrears because the cap, not insufficient net, stopped it. Rule of thumb: cap-limited ≠ arrears; only net-pay shortfalls create arrears.