FEDERAL:

Internal Revenue Service
United States Department of the Treasury
www.irs.gov

EFTPS
Electronic Federal Tax Payment System
www.eftps.gov

Internal Revenue Service IRS.gov
Department of the Treasury
Refund Status
 

Social Security Online
The Official Web site of the U.S. Social Security Administration
ssa.gov

NEW YORK STATE:

New York State
Department of Taxation and Finance
nystax.com

New York's 529 College Savings Program
nysaves.uii.upromise.com

New York State Department of Taxation and Finance
Online Tax Center

New York State Department of Taxation and Finance
Promp Tax Program
 

PAYROLL:

Payroll Taxes.com
Premier Payroll Research Library
A Compilation of Tax Information for Professionals
payroll-taxes.com