- Electronic Federal Tax Payment System
- Internal Revenue Service
- IRS Information Related to the American Recovery and Reinvestment Act of 2009
- Internal Revenue Service Small Business Page
- Internal Revenue Service Frequently Asked Questions
- Internal Revenue Service - Tax Calendar for Small Businesses
- Internal Revenue Service Forms Social Security Administration
- Social Security Administration Filing Due Dates
- Texas Workforce Commission
- Texas Workforce Commission Tax Information and Filing Instructions Page
- Texas Workforce Commission Tax Filing and Deadline Information
- United States Department of Labor
- Department of Labor Overview of the American Recovery and Reinvestment Act of 2009 (Recovery Act)
- United States Department of Labor Employer Information Page
- United States Department of Labor Site Index
- United States Department of the Treasury