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IRS publication helps small businesses, self-employed understand what’s new for taxes

Written on Mar 19, 2019

The IRS wants business owners and the self-employed to be aware of a publication on that contains information they can use to learn which recent tax-law changes impact their bottom line.

The Tax Time Guide is designed to help taxpayers file an accurate tax return. Additional help is available in Publication 17, “Your Federal Income Tax” and the tax reform information page.

Publication 5318, “Tax Reform: What’s New for Your Business,” is a 12-page electronic document. Pub. 5318 provides a general overview of many of the Tax Cuts and Jobs Act (TCJA) changes enacted in December 2017 that impact business taxes.

Publication 5318 includes sections on:

  • Qualified Business Income Deduction 

  • Depreciation

  • Business related losses

  • Business related exclusions and deductions 

  • Business credits 

  • S corporations 

  • Farm provisions 

  • Miscellaneous provisions

A few key provisions include:

Qualified Business Income Deduction

Many individuals, including owners of sole proprietorships, partnerships, S corporations and beneficiaries of trusts and estates, may be entitled to a deduction of up to 20% of qualified business income (QBI), plus up to 20% of their qualified real estate investment trust (REIT) dividends and qualified publicly traded partnership (PTP) income. Generally, this deduction is the lesser of the combined QBI, REIT dividend, and PTP income amounts, or 20% of taxable income minus the taxpayer’s net capital gain. Claimed on Form 1040, Line 9, the new deduction is generally available to eligible taxpayers whose 2018 taxable incomes fall below $315,000 for joint returns and $157,500 for other taxpayers. The deduction may also be available for those whose incomes are above these levels but additional limitations may apply.

Temporary 100% expensing (bonus depreciation)

Businesses can write off most depreciable business assets in the year they placed them in service. The 100% depreciation deduction (bonus depreciation) generally applies to depreciable business assets and certain other property. Machinery, equipment, computers, appliances and furniture generally qualify. The deduction is generally allowable for qualifying property acquired and placed in service after Sept. 27, 2017, and before Jan. 1, 2023. For more information, see Publication 946, “How to Depreciate Property.”

Expensing depreciable business assets

A taxpayer may elect to expense the cost of any section 179 property and deduct it in the year the property is placed into service. The new law increased the maximum deduction from $500,000 to $1 million. It also increased the phase-out threshold from $2 million to $2.5 million. After 2018, the $1 million and $2.5 million thresholds will be adjusted for inflation.

Business related losses

For most taxpayers, a net operating loss (NOL) arising in tax years ending after Dec. 31, 2017, can only be carried forward. Certain NOLs of farming businesses and insurance companies (other than life insurance) can still be carried back two years. The deduction of NOLs arising in tax years beginning after Dec. 31, 2017, is limited to 80% of taxable income, determined without any NOL deduction. This 80% limitation does not apply to insurance companies (other than life insurance). Rules for existing or pre-2018 NOLs remain the same.

Taxpayers can find answers to questions, forms and instructions and easy-to-use tools online at No appointment required and no waiting on hold.

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