HR & PEO Glossary
Clear definitions for every HR, payroll, compliance, and PEO term you'll encounter. From co-employment to FICA to EMR — demystified.
Administrative Services Organization (ASO)
An HR outsourcing model where a vendor provides HR services without becoming a co-employer.
PEOAt-Will Employment
An employment relationship where either party can terminate at any time without cause (with some exceptions).
HRADA
Americans with Disabilities Act — prohibits discrimination against qualified individuals with disabilities.
HRApplicant Tracking System (ATS)
Software that manages the recruitment process, from job posting to candidate selection.
HRACA
Affordable Care Act — federal law requiring employers with 50+ full-time employees to offer health coverage.
BenefitsCo-Employment
A legal relationship where both the PEO and the client company are considered employers of the same workers.
PEOCOBRA
Consolidated Omnibus Budget Reconciliation Act — allows employees to continue health coverage after leaving a job.
ComplianceClass Code
A four-digit code assigned to job types that determines workers' compensation insurance rates.
Workers CompEmployee Leasing
A staffing arrangement where a PEO employs workers and leases them back to the client company.
PEOEmployer of Record (EOR)
An entity that legally employs workers on behalf of another company, handling all employer obligations.
PEOESAC Accreditation
Employer Services Assurance Corporation accreditation — a financial assurance and ethical standards certification for PEOs.
PEOEEOC
Equal Employment Opportunity Commission — federal agency enforcing anti-discrimination employment laws.
HREmployee Handbook
A document outlining company policies, procedures, and expectations for employees.
HRE-Verify
Federal web-based system that verifies employment eligibility by comparing I-9 information against government records.
ComplianceExempt Employee
An employee not entitled to overtime pay under the FLSA, typically salaried workers meeting salary and duties tests.
ComplianceERISA
Employee Retirement Income Security Act — federal law governing employer-sponsored benefit plans.
BenefitsExperience Modification Rate (EMR)
A multiplier applied to workers' comp premiums based on a company's claims history relative to its industry.
Workers CompFMLA
Family and Medical Leave Act — federal law requiring eligible employers to provide up to 12 weeks of unpaid leave.
HRFLSA
Fair Labor Standards Act — federal law governing minimum wage, overtime, recordkeeping, and child labor.
HRFICA
Federal Insurance Contributions Act — mandates payroll taxes for Social Security and Medicare.
PayrollFUTA
Federal Unemployment Tax Act — employer-paid tax funding unemployment benefits.
PayrollFSA
Flexible Spending Account — allows employees to set aside pre-tax dollars for eligible medical or dependent care expenses.
BenefitsHuman Resources Outsourcing (HRO)
Delegating HR functions to an external provider, which may or may not involve co-employment.
HRHRIS
Human Resource Information System — software that manages employee data and HR processes.
HRHIPAA
Health Insurance Portability and Accountability Act — protects the privacy of employee health information.
ComplianceHSA
Health Savings Account — tax-advantaged account for individuals with high-deductible health plans.
BenefitsIRS Certified PEO (CPEO)
A PEO certified by the IRS under the Small Business Efficiency Act, providing tax liability protections to clients.
PEOI-9 Form
Employment Eligibility Verification form required for all new hires in the United States.
PayrollIndependent Contractor
A self-employed worker who provides services under a contract, not classified as an employee.
ComplianceNAPEO
National Association of Professional Employer Organizations — the industry trade group for PEOs.
PEONet Pay
Take-home pay after all deductions have been subtracted from gross pay.
PayrollNon-Exempt Employee
An employee entitled to overtime pay (1.5x regular rate) for hours worked over 40 per week under the FLSA.
ComplianceNew Hire Reporting
Federal and state requirement to report newly hired employees to a state directory within a set timeframe.
ComplianceNCCI
National Council on Compensation Insurance — organization that develops workers' comp classification codes and rates.
Workers CompOnboarding
The process of integrating a new employee into the organization, including paperwork, training, and orientation.
HROffboarding
The formal process of managing an employee's departure from the organization.
HROSHA
Occupational Safety and Health Administration — federal agency enforcing workplace safety standards.
ComplianceProfessional Employer Organization (PEO)
A co-employment arrangement where a PEO shares employer responsibilities with a client business.
PEOPEO Client Company
The business that enters into a co-employment relationship with a PEO.
PEOPerformance Management
The ongoing process of setting goals, monitoring progress, and evaluating employee performance.
HRPayroll Tax
Taxes withheld from employee wages and paid by employers, including FICA, FUTA, and state taxes.
PayrollPay Period
The recurring time frame for which employees are paid (weekly, biweekly, semimonthly, or monthly).
PayrollPayroll Register
A detailed record of all payroll transactions for a given pay period.
PayrollWorksite Employee
An employee who is co-employed by both the PEO and the client company.
PEOW-2 Form
Annual wage and tax statement provided to employees and the IRS by January 31.
PayrollW-4 Form
Employee's withholding certificate that determines federal income tax withholding.
PayrollWARN Act
Worker Adjustment and Retraining Notification Act — requires 60 days notice before mass layoffs or plant closings.
ComplianceWorker Misclassification
Incorrectly classifying an employee as an independent contractor, resulting in significant legal penalties.
ComplianceWorkers' Compensation
State-mandated insurance providing wage replacement and medical benefits to employees injured on the job.
Workers CompReady to Put These Terms to Work?
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