The section 163(j) limitation is applied at the partnership level. As provided in Q/A 1, the amount of deductible business interest expense in a taxable year cannot exceed the sum of the partnership’s business interest income, 30% of the partnership’s ATI, and the partnership’s floor plan financing interest expense.

What is the purpose of 163 J?

Section 163(j) specifies that deductible BIE and excess items are allocated to partners in the same manner as “nonseparately stated taxable income or loss of the partnership.” In order to accomplish this, the Proposed Regulations created an eleven-step computation for determining a partner’s share of the partnership’s …

When does section 163 ( J ) ( 2 ) apply?

These amendments apply to tax years beginning after December 31, 2018. 50% of ATI: For tax years beginning in 2019 and 2020, the 30% limit on ATI is increased to 50%. The other 50% will be subject to the limitations of section 163 (j) (4) (B) (ii) in the same manner as any other excess business interest so allocated.

What does section 163 of the Internal Revenue Code apply to?

Prior to the 2017 Tax Cuts and Jobs Act (TCJA), section 163(j) of the Internal Revenue Code applied only to certain interest paid or accrued by corporations.   However, the TCJA significantly changed the section 163(j) limitation.   These questions and answers address the section 163(j) limitation after amendment by the TCJA.

How does section 163 ( J ) limit business interest expense?

The newly enacted version of section 163 (j) limits deductions for business interest expense. Although the prior version of section 163 (j) applied almost exclusively to US corporations with non-US parents, the new version of section 163 (j) applies to taxpayers engaged in business in any form, with only very limited exceptions.

How is ATI determined under Sec 163 ( J )?

Under the final regulations, the starting point for determining ATI is “tentative taxable income,” which is taxable income determined under Section 63 without regard to the application of the Section 163 (j) limitation and determined without regard to any disallowed business interest expense carryforward.