The 2024 Edition of the U.S. Master Payroll Guide is designed to meet the needs of customers who handle their payroll internally, outsource their payroll, subscribe to an electronic payroll library, and those who are looking for an affordable and convenient payroll resource. The Guide serves as a reference guide for finding quick answers that are written in plain language. The content focuses on the basics of payroll and some of the key areas include federal withholding requirements, federal taxable payroll laws, federal records and returns, wages and hours, and garnishments. Changes to the 2024 Edition include: The new 2024 Form W-4, Employee's Withholding Certificate Updated State Withholding Certificates chart Updated 2024 Withholding Methods State minimum wage updates - many states had increases in 2024 And more!.