For the latest information about developments related to Pub. 15-B, such as legislation enacted after it was published, go to IRS.gov/pub15b.
Cents-per-mile rule. The business mileage rate for 2017 is 53.5 cents per mile. You may use this rate to reimburse an employee for business use of a personal vehicle, and under certain conditions, you may use the rate under the cents-per-mile rule to value the personal use of a vehicle you provide to an employee. See Cents-Per-Mile Rule in section 3.
Qualified parking exclusion and commuter transportation benefit. . For 2017, the monthly exclusion for qualified parking is $255 and the monthly exclusion for commuter highway vehicle transportation and transit passes is $255. See Qualified Transportation Benefits in section 2.
Contribution limit on a health flexible spending arrangement (FSA). For plan years beginning after December 31, 2016, a cafeteria plan may not allow an employee to request salary reduction contributions for a health FSA in excess of $2,600. For more information, see Cafeteria Plans in section 1.
Additional permitted election changes for health coverage under a cafeteria plan. Notice 2014-55, 2014-41 I.R.B. 672, available at IRS.gov/irb/2014-41_IRB/ar12.html, expands the application of the permitted change rules for health coverage under a cafeteria plan and discusses two specific situations in which a cafeteria plan participant is permitted to revoke his or her election under a cafeteria plan during a period of coverage.
Same-sex marriage. A marriage of two individuals is recognized for federal tax purposes if the marriage is recognized by the state, possession, or territory of the United States in which the marriage is entered into, regardless of legal residence. Two individuals who enter into a relationship that is denominated as a marriage under the laws of a foreign jurisdiction are recognized as married for federal tax purposes if the relationship would be recognized as marriage under the laws of at least one state, possession, or territory of the United States, regardless of legal residence. Individuals who have entered into a registered domestic partnership, civil union, or other similar relationship that isn't denominated as a marriage under the law of the state, possession, or territory of the United States where such relationship was entered into aren't considered married for federal tax purposes, regardless of legal residence. Notice 2013-61 provides special administrative procedures for employers to make claims for refund or adjustments of overpayments of social security and Medicare taxes with respect to certain same-sex spouse benefits before expiration of the period of limitations. Notice 2013-61, 2013-44 I.R.B. 432, is available at IRS.gov/irb/2013-44_IRB/ar10.html. You may correct errors to federal income tax withholding and Additional Medicare Tax withheld for prior years if the amount reported on your employment tax return doesn't agree with the amount you actually withheld. This type of error is an administrative error. You may also correct errors to federal income tax withholding and Additional Medicare Tax withheld for prior years if section 3509 rates apply.Notice 2014-1 discusses how certain rules for cafeteria plans, including health and dependent care FSAs, and health savings accounts (HSAs) apply to same-sex spouses participating in employee benefit plans. Notice 2014-1, 2014-2 I.R.B. 270, is available at IRS.gov/irb/2014-2_IRB/ar13.html.
Ordering forms and publications. Visit IRS.gov/forms to download forms and publications. Otherwise, you can go to IRS.gov/orderforms to order current- and prior-year forms and instructions. Your order should arrive within 10 business days.
Tax questions. If you have a tax question not answered by this publication, check IRS.gov and How To Get Tax Help at the end of this publication.
Photographs of missing children. The IRS is a proud partner with the National Center for Missing & Exploited Children® (NCMEC). Photographs of missing children selected by the Center may appear in this publication on pages that would otherwise be blank. You can help bring these children home by looking at the photographs and calling 1-800-THE-LOST (1-800-843-5678) if you recognize a child.
This publication supplements Pub. 15, Employer's Tax Guide, and Pub. 15-A, Employer's Supplemental Tax Guide. It contains information for employers on the employment tax treatment of fringe benefits.
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