Actual Deferral Percentage (ADP)

Actual Deferral Percentage (ADP)
The amount of salary reduction contributions made by an employee to a Section 401(k) plan
for a year, divided by the employee's total compensation for that year. The Base Benefits
business process is set up to perform ADP nondiscrimination tests for Section 401(k) plans.
See Nondiscrimination Tests and Highly Compensated Employee.