Page Heading

Facing Payroll Complexity? We've Got You Covered.

Keeping up with federal, state, and local payroll laws is no easy task. From interpreting tax regulations to managing compliance across multiple jurisdictions, Payroll Source Plus® simplifies your research. This online, subscription-based research library brings together all the most trusted payroll resources in one place, accessible 24/7 on any device through the Bookshelf platform.

The Industry's Most Trusted Payroll Reference Library

Developed and maintained by PayrollOrg, Payroll Source Plus® is your go-to digital library for accurate, vetted payroll guidance. It includes:

• The Payroll Source® – the payroll industry's most trusted resource for more 30 years
• Federal Payroll Tax Laws & Regulations – payroll-related sections of the IRC and IRS regulations
• Federal Payroll Non-Tax Laws & Regulations – federal payroll-related laws and regulations from the U.S. Code and Code of Federal Regulations
• Guide to State Payroll Laws – coverage of laws across all 50 states, D.C., and Puerto Rico
• PayState Update – biweekly newsletter on state and local payroll compliance
• Payroll Currently – monthly newsletter on federal payroll compliance, exclusive to PayrollOrg members

What's Inside

• Essential payroll content across tax and non-tax areas, including wages, compensation, withholding, recordkeeping, and benefits
• Direct links to government sites (IRS, SSA, OCSS, etc.) for quick access to laws and regulations
• Study guide PDF with practice questions and exercises for each section of The Payroll Source®
• CPP exam prep: test-taking tips, review questions, and full-length practice exams
• Keyword search, cross-linking, and mobile-friendly interface, making it easy to find what you need
• A version that is updated throughout the year to reflect the latest law and regulatory changes, so you're always in compliance

Why Choose Payroll Source Plus?

In today's AI-driven world, access to accurate information is critical. While generative AI tools like ChatGPT offer convenience, they can't guarantee compliance – and relying on outdated or incorrect data is risky. Payroll Source Plus® is curated by experts, backed by law, and designed to keep you compliant and confident.

2025 Pricing

Looking for multi-user access? Get discounted rates starting at just 3 users.
Use this order form for mail or fax orders.

Renewal Savings

Renew before your subscription expires and save 15% – automatically applied at checkout.
(Offer excludes multi-user licenses.)
Prefer convenience? Select auto-renewal during checkout.

Need More Details to Help You Decide?

• Watch the Bookshelf Tutorial video to learn how to navigate the platform
• Check the Guide and FAQs to get answers about features, access, and more
• Use this letter to show your boss how Payroll Source Plus supports your role

What Others Are Saying

“The Payroll Source is our go to handbook for all things compliance and best practices. We use it whenever we have a difficult question regarding compliance or whenever something new arises that we might not know the answer to.”
- Michelle Clawson, CPP
Director, Americas HR Services
Agilent Technologies

“Payroll Source Plus has been instrumental in saving time during payroll researching processes, with everything we need conveniently located in an easy to find place. This streamlined approach has significantly improved our efficiency and accuracy, making payroll management much easier and more reliable.”
- Helen Goosen, CPP
Payroll Director - Consultant
Ravix Group

Format & Access

• Electronic format
• Annual 1-year subscription
• Auto-renewal available

System Requirements

Click here to view the system requirements.

Publication Policies

Please read our policies for transfers, substitutions, cancellations, and refunds.