Other Items Related To Form CT-1
Form CT-1 X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund
Use Form CT-1 X to correct errors on a Form CT-1 that you previously filed.
Publication 15 (Circular E), Employer's Tax Guide
This publication explains your tax responsibilities as an employer.
Publication 15-A, Employer's Supplemental Tax Guide
This publication contains specialized and detailed employment tax information supplementing the basic information provided in Publication 15 (Circular E), Employer's Tax Guide.
Publication 15-B, Employer's Tax Guide to Fringe Benefits
This publication supplements Publication 15 (Circular E), Employer's Tax Guide, and Publication 15-A, Employer's Supplemental Tax Guide. It contains information for employers on the employment tax treatment of fringe benefits.
Publication 915, Social Security and Equivalent Railroad Retirement Benefits
This publication explains the federal income tax rules for social security benefits and equivalent tier 1 railroad retirement benefits. It is prepared through the joint efforts of the Internal Revenue Service (IRS), the Social Security Administration (SSA), and the U.S. Railroad Retirement Board (RRB).
Form 941, Employer's Quarterly Federal Tax Return
Employers who withhold income taxes from wages or who must pay social security or Medicare tax, use Form 941 to report those taxes.
Form 944, Employer's ANNUAL Federal Tax Return
This form is designed so the smallest employers (those whose annual liability for social security, Medicare, and withheld federal income taxes is $1,000 or less) will file and pay these taxes only once a year instead of every quarter.
Form 945-A, Annual Record of Federal Tax Liability
Use this form to report your federal tax liability (based on the dates payments were made or wages were paid) on forms 945 and 945-X for federal income tax withholding on nonpayroll payments, forms CT-1 and CT-1 X for both employee and employer Tier I taxes and employer Tier II taxes or forms 944 and 944-X for federal income tax withheld plus both employee and employer social security and Medicare taxes.