Taxation of Compensation and Benefits

New and Updated

• Type:

  Quick Reference

  Annual Retirement Plan COLAs and Fringe Benefit Limitations

  Updated to reflect 2027 inflation-adjusted amounts for health savings accounts.

• Type:

  Employment Law Guide

  Taxation of Employee Compensation: Federal

  Updated to reflect information regarding a sample IRS educational assistance program and related FAQs.

• Type:

  50-State Charts

  Taxation of Supplemental Wages by State

  Updated to reflect amended rates in West Virginia, effective retroactive to January 1, 2026.

• Type:

  Editor's Choice

  Payroll Compliance Under the One Big Beautiful Bill Act: What Employers Need to Get Right Starting in 2026

  Updated to reflect information regarding final regulations on employee tips under the OBBBA. 

• Type:

  50-State Charts

  Internal Revenue Code Conformity by State

  Updated to reflect changed IRC reference date in Maine.

• Type:

  Employment Law Guide

  Taxation of Employee Benefits: Federal

  Updated to reflect the extension of transition guidance regarding paid family and medical leave reporting rules; information regarding Trump Accounts under the OBBBA; and Roth catch-up contributions rules under 401(k) plans, effective January 1, 2026.

• Type:

  Employment Law Guide

  Taxation of Employee Compensation: Illinois

  Updated to reflect Transportation Benefits Program Act amendments regarding employee coverage and an employer exemption, effective January 1, 2026. 

• Type:

  Checklists

  Payroll Practices and Procedures Checklist

  Updated to reflect information regarding tip and overtime pay reporting under the OBBBA.

• Type:

  50-State Charts

  Taxation of Key Fringe and Retirement Benefits by State

  The following chart compares state vs federal tax treatment of common employer-provided fringe benefits, including group-term life insurance, moving expense reimbursements, educational assistance under IRC § 127, and retirement benefits under IRC § 401(k) plans and IRC § 125 Cafeteria plans.

• Type:

  50-State Charts

  Tax Treatment of Same-Sex Civil Union and Domestic Partnership Partner Benefits by State

  This chart has been updated to remove same-sex marriage information, as federal and state tax treatment is now aligned. The title now reflects its current focus on taxation of benefits for those in same-sex civil unions and domestic partnerships, which continues to vary by state.