Source: https://www.irs.gov/forms-pubs/about-publication-15-useful-irb-articles
Timestamp: 2019-04-25 08:11:20+00:00

Document:
This revenue procedure explains both the standard procedure and an alternate procedure for preparing and filing Form W-2, Wage and Tax Statement; Form 941, Employer’s Quarterly Federal Tax Return; Form W-4, Employee’s Withholding Allowance Certificate; and Form W-5, Earned Income Credit Advance Payment Certificate, in certain acquisitions.
This revenue procedure provides the requirements for completing and submitting Form 8655, Reporting Agent Authorization (Authorization).
This Revenue Procedure describes and updates the procedure for requesting the IRS authorize a person to act as agent under section 3504 of the Internal Revenue Code (Code) and §31.3504–1 of the Employment Tax Regulations for purposes of Chapters 21, 22, 24, and 25 of the Code. Special instructions are also set forth for agents authorized to perform acts for purposes of Chapter 23 of the Code.
This notice provides guidance for employers and employees to make claims for refund or adjustments of overpayments of Federal Insurance Contributions Act (FICA) taxes and Federal income tax withholding resulting from the Supreme Court decision in United States v. Windsor, 570 U.S. ___ , 133 S.Ct. 2675 (2013) decision and Revenue Ruling 2013–17, 2013–38 I.R.B. 201.
Under this Notice, dividends and other distributions made by an Alaska Native Corporation to its shareholders are eligible for voluntary withholding under section 3402(p)(3)(B) of the Internal Revenue Code (Code) and § 31.3402(p)–1T of the Employment Tax Regulations.
The Department of the Treasury (Treasury Department) and the Internal Revenue Service (IRS) are developing guidance to implement the payroll tax credit election available to certain small businesses under § 41(h) of the Internal Revenue Code (Code) to claim the payroll tax credit under § 3111(f) of the Code. Sections 41(h) and 3111(f) allow a qualified small business to elect to apply a portion of the § 41(a) research credit for the taxable year against the employer portion of the old-age, survivors, and disability insurance tax (social security tax) under the Federal Insurance Contributions Act.

References: §31
 v. 
 § 31
 § 41
 § 3111
 § 41