- What the Certified Temporary-Staffing Specialist Credential Is
- Who Runs It and How the Exam Is Delivered
- Exam Format and the 113-Question Threshold
- Eligibility: A Real Conflict in NAPS Materials
- The 10 Preparation Topics, One by One
- Fees: Registration, Retests and Renewal
- Keeping the Credential Active
- Reading the 97% Figure Correctly
- Sequencing Your Preparation by Topic
- Who Hires for This Credential
- Frequently Asked Questions
- CTS is issued by the National Association of Personnel Services (NAPS) and tests temporary-staffing law and practice.
- The exam has 150 questions in 2 hours; 113 correct answers are required, which NAPS describes as 75%.
- Registration costs $300 for NAPS members or $600 for nonmembers, including the legal manual, exam and certificate.
- Renewal requires 20 contact hours (2.0 CEUs) yearly, 17 of them NAPS-approved, plus an annual fee.
What the Certified Temporary-Staffing Specialist Credential Is
The Certified Temporary-Staffing Specialist (CTS) is a professional credential built around the legal and operational realities of running a temporary-staffing business. It is not a general HR certification and it is not a technical or trade credential. Its subject matter is the narrow, high-risk space where staffing firms, their clients and temporary workers intersect: discrimination law, contracts, who counts as an employer, how workers are screened and selected, and the laws that apply specifically to temporary services work.
If you are searching for the meaning of the acronym, the short answer is covered in our explainers on what CTS stands for and what CTS certification is. This article goes further: it walks through how the credential actually works, what the exam covers, what it costs, and how to prepare without wasting effort on material that will not appear.
One note on scope before going further. Many unrelated credentials share the same three letters. Everything here concerns the NAPS credential only, and every figure comes from NAPS's public program materials.
Who Runs It and How the Exam Is Delivered
The credential is administered by the National Association of Personnel Services (NAPS). The standard route is an online examination delivered through the NAPS Certification Center. There is also an optional Certification Immersion Class (CIC), which offers a paper-and-pencil examination for candidates who prefer a classroom setting.
The immersion route matters for two reasons. First, it gives candidates who dislike on-screen testing a different format. Second, it is the source of a frequently quoted pass-rate figure that is easy to misread, which we address in a dedicated section below. For scheduling details, see our guide to CTS exam dates and scheduling.
Exam Format and the 113-Question Threshold
The examination contains 150 questions delivered in 2 hours. The question types are multiple-choice, true/false, and case-based multiple-choice. A passing result requires 113 correct answers, which NAPS describes as 75%.
| Exam Element | Detail |
|---|---|
| Total questions | 150 |
| Time allowed | 2 hours |
| Question types | Multiple-choice, true/false, case-based multiple-choice |
| Correct answers required | 113 (described by NAPS as 75%) |
| Delivery | Online via NAPS Certification Center; optional paper-and-pencil at Certification Immersion Class |
Two hours for 150 questions works out to under a minute per item, so pacing matters. The case-based items take longer than the true/false questions, which means you should answer quick questions fast and bank time for scenarios. Our breakdown of the CTS passing score covers the arithmetic of the 113-answer threshold, and how hard the CTS exam is discusses what that threshold means in practice.
Eligibility: A Real Conflict in NAPS Materials
This is the part of the credential where honesty matters most, because NAPS's own public pages do not fully agree. What is consistent: no length-of-service requirement applies, NAPS membership is not required, and candidates must accept NAPS ethical standards and program rules.
What is not consistent is who may sit for the exam:
- The current CTS page extends access to HR professionals and hiring managers, in addition to people working directly in temporary staffing.
- The Certification Program Rules page retains an older-sounding requirement: that the candidate be a currently employed, full-time owner, partner, manager or employee in the temporary-service business.
Until NAPS reconciles these pages, the safest approach is to contact NAPS directly before paying, describe your role, and get eligibility confirmed in writing. If you are an HR professional or hiring manager outside a staffing firm, do not assume the broader language governs. Our CTS requirements guide tracks this issue in more detail.
Key Takeaway
Because two official NAPS pages describe eligibility differently, confirm your own eligibility with NAPS before you register. This is especially important if you work in HR or hiring outside a staffing company.
The 10 Preparation Topics, One by One
NAPS does not publish a weighted exam blueprint. What it does publish is a set of preparation topics: six in its certification FAQ, with four more appearing in the description of the Certified Temporary Staffing Specialist Manual. The two sources overlap on discrimination and contracts, which are counted once here, giving ten topics. These are curriculum topics rather than an official domain count, and no percentage weights are attached, so treat them as equally worth your time. For a fuller walkthrough see our complete guide to the CTS content areas.
Domain 1: Laws of discrimination
The foundation of staffing compliance, because staffing firms make placement decisions on behalf of clients and share liability for them.
- Protected characteristics and what each prohibits
- How a client's discriminatory preference becomes the staffing firm's problem
- Recognizing discriminatory intent in routine job orders
Domain 2: Application and interview practices
What you may and may not ask, record and rely on when collecting applicant information.
- Lawful versus risky interview questions
- Application form content and consistency
- Documenting decisions defensibly
Domain 3: Contracts
Staffing runs on agreements with clients and with workers, and the exam tests whether you understand what they allocate.
- Client service agreements and who bears which risk
- Terms that protect the staffing firm
- How contract language interacts with legal duties it cannot override
Domain 4: Employer/employment definitions
Who is the employer, who is the employee, and why the labels on paper do not always control.
- Employee versus independent contractor distinctions
- How the staffing firm's status differs from the client's
- Why definitions drive responsibility for pay, taxes and claims
Domain 5: Screening and selection of temporary workers
The practical process of qualifying workers for assignments without creating legal exposure.
- Consistent screening standards
- Matching workers to assignments lawfully
- Handling client-specific requirements
Domain 6: Laws unique to temporary services work
Rules that apply to staffing in a way they do not apply to ordinary employers.
- Obligations specific to placing workers at other companies' sites
- Requirements tied to the three-party staffing relationship
- Where general employment rules are modified for temporary work
Domain 7: Family leave
How leave obligations apply when a worker is employed through a staffing firm.
- Eligibility questions in a temporary-work context
- Responsibilities of the staffing firm versus the client
Domain 8: ADA
Disability-law duties that reach hiring, placement and accommodation.
- Reasonable accommodation concepts
- What a staffing firm may ask about medical matters, and when
Domain 9: Drug testing
Testing programs create legal and practical decisions for staffing firms and their clients.
- When and how testing can be required
- Consistency and documentation
Domain 10: Joint employer
The concept that both the staffing firm and its client can be treated as employers of the same worker.
- Factors that point toward shared employer status
- Why joint-employer exposure shapes contracts and supervision practices
Fees: Registration, Retests and Renewal
NAPS prices the credential in a member/nonmember structure. Registration includes the legal manual, the examination and the certificate in a single payment.
| Item | NAPS Member | Nonmember |
|---|---|---|
| Registration (manual, exam, certificate) | $300 | $600 |
| Retest | $150 | $300 |
| Annual renewal fee | $35 (individual at a member firm) | $50 |
The nonmember price is exactly double the member price for both registration and retest, so if you are weighing association membership, run the numbers against your registration cost. The manual and examination are updated annually, though NAPS's public descriptions do not identify a specific current manual edition. Our full CTS pricing breakdown goes deeper, and the ROI analysis helps you judge whether the spend makes sense for your role.
Keeping the Credential Active
Earning the credential is not the end of the obligation. To maintain it, you complete 20 contact hours (2.0 CEUs) annually, and 17 of those hours must come from NAPS-approved content. The renewal fee is due on your examination anniversary, so your personal renewal date is fixed by when you passed.
- Track hours as you earn them rather than at year end.
- Confirm that a course counts as NAPS-approved before relying on it for the 17-hour portion.
- Calendar your anniversary date the day you pass.
Reading the 97% Figure Correctly
NAPS advertises a 97% pass rate for Certification Immersion Class participants. Read the wording carefully: the figure covers immersion participants across both the CPC and CTS credentials combined. It is not an overall CTS pass rate, and it describes people who chose to attend a class, who may differ from the general candidate pool. Treat it as a marketing statistic for a specific cohort, not a forecast of your own result. For a fuller discussion of what is and is not known, see what the pass-rate data shows.
Sequencing Your Preparation by Topic
Since there is no weighted blueprint, the sensible approach is to order topics by dependency rather than by guessed weight. Foundational concepts first, applied and specialized topics after. A four-week outline looks like this; our CTS study guide expands on it.
Definitions and discrimination
- Employer/employment definitions (Domain 4)
- Laws of discrimination (Domain 1)
- Why: every other topic assumes you know who the employer is and which protections apply
Process and paper
- Application and interview practices (Domain 2)
- Screening and selection (Domain 5)
- Contracts (Domain 3)
Specialized statutes
- Laws unique to temporary services work (Domain 6)
- Family leave (Domain 7)
- ADA (Domain 8)
- Drug testing (Domain 9)
Integration and timed practice
- Joint employer (Domain 10), which ties the earlier topics together
- Full-length timed sets at 150 questions in 2 hours
- Review every missed case-based item by identifying the underlying legal issue
Place joint employer last on purpose: it draws on definitions, contracts and supervision practices, so it is easier once those are solid. Use our practice tests for the timed work in the final week, and keep our CTS cheat sheet handy for quick pre-exam review.
Key Takeaway
Practice at full exam pace. Scoring 113 of 150 in two hours is a different skill from understanding the material at your own speed, so rehearse the clock before test day.
Who Hires for This Credential
The credential is aimed at people in and around temporary-staffing businesses: owners, partners, managers and staff at staffing firms, plus, under the broader language on NAPS's current page, HR professionals and hiring managers. Employers in this space value it as evidence that a person understands the compliance traps specific to placing workers at client sites. Role-by-role detail is in our overview of CTS jobs, and compensation context is in the CTS salary guide. Neither should be read as a guarantee of a particular outcome; the credential demonstrates knowledge, and results depend on your role and employer. If you are newer to the topic, what is CTS is a good starting point, and our page on CTS training covers preparation routes.
Frequently Asked Questions
The National Association of Personnel Services (NAPS) administers it. The standard exam is online through the NAPS Certification Center, with an optional paper-and-pencil exam at a Certification Immersion Class.
There are 150 multiple-choice, true/false and case-based multiple-choice questions in 2 hours. You need 113 correct answers, which NAPS describes as 75%.
No. NAPS membership and length of service are not required. You must accept NAPS ethical standards and program rules. Members do pay less: $300 versus $600 for registration.
NAPS's current CTS page extends access to HR professionals and hiring managers, but its Certification Program Rules page still describes a full-time role in the temporary-service business. Confirm with NAPS before registering.
Complete 20 contact hours (2.0 CEUs) each year, including 17 hours of NAPS-approved content, and pay the annual renewal fee ($35 for individuals at member firms, $50 for nonmembers) on your examination anniversary.
The credential rewards candidates who treat it as applied employment law for a three-party business model. Learn the ten topics in dependency order, rehearse at exam pace, confirm your eligibility in advance, and plan for the renewal obligations from day one.