The Joint Committee on Taxation has issued its annual report on expiring tax provisions (List of Expiring Federal Tax Provisions 2016-2025, JCX-1-16). 

Although 2015’s Protecting Americans from Tax Hikes Act of 2015 made a permanent a number of provisions that previously had been set to expire, other provisions had only temporary extensions.

This document provides a detailed list by year of expiring and expired provisions.  The largest list are found for those that expired in 2016.  Such now expired provisions include, among others:

• Credits for certain nonbusiness energy property (IRC §25C(g)) and residential energy property (IRC §25D(g))
• Indian employment credit (IRC §45A(f))
• Exclusion for discharge of indebtedness on principal residence for individuals (IRC §108(a)(1)(E)
• Premiums for mortgage insurance deductible as mortgage interest (IRC §163(h)(3))
• Domestic production deduction for activities in Puerto Rico (IRC §199(d)(8)
• Medical expense deduction AGI limit remaining at 7.5% for individuals over 65 (IRC §213(f))
• Deduction for qualified tuition and related expenses (IRC §222(e))

A full list of expired provisions can be found in the Joint Committee’s report.

The other major set of expiring income tax provisions can be found for year 2019—with bonus depreciation set to end at the end of that year.