The APA's comprehensive library of compliance resources is produced by an experienced team of payroll and employment law experts.
These resources are designed to educate payroll professionals and allow them to use their enhanced skills to help their organizations maintain compliance and to demonstrate their value as important members of their employers’ management teams. See all APA Books & Products.
Publications are issued in many media, including printed text, eBook, and a virtual platform, the APA Bookshelf.
Payroll Source Plus
An online subscription-based reference library that provides you with the federal and state laws, regulations, and information to keep your company’s payroll operations in compliance. Updated regularly and mobile-friendly, it includes The Payroll Source® (plus a study guide version), Federal Payroll Tax Laws & Regulations, Federal Payroll Non-Tax Laws & Regulations, APA’s Guide to State Payroll Laws, and PayState Update.
The Payroll Source® Online
An electronic subscription-based version of APA’s indispensable text and desk reference, The Payroll Source®. Updated regularly and mobile-friendly, it details all aspects of payroll administration, from the most fundamental forms and regulations, through the most complex benefits taxation and reporting, to international payrolls. A study guide version is available to help prepare for the Certified Payroll Professional (CPP) exam.
APA’s Guide to State Payroll Laws
Contains easy-to-read information on payroll-related laws and regulations in all 50 states, plus the District of Columbia and Puerto Rico. It features citations to state laws and regulations to facilitate further research and is available in print or online in an electronic subscription-based version that is updated throughout the year.