Current developments in S corporations

This update on recent developments in taxation relating to S corporations includes cases and rulings on eligible shareholders, electing small business trusts, inadvertent S election terminations, and other issues, as well as changes made by the TCJA.

QSub Status Is Not Property of Bankruptcy Estate

An S corporation’s revocation of its S corporation status, which caused its QSub subsidiary to lose its status as a QSub, was not a post-bankruptcy-petition transfer of property of the QSub’s bankruptcy estate.

Current Developments in S Corporations

During the period of this S corporation tax update, some major changes that directly affect S corporations took place. This article also presents tax planning ideas for S corporations and their shareholders.

Operating a QSub

A qualified subchapter S subsidiary (QSub) is a subsidiary corporation 100% owned by an S corporation that has made a valid QSub election for the subsidiary.

QSubs Included in Definition of S Corp. for Purposes of Sec. 291(a)(3)

In Vainisi, the Seventh Circuit reversed a decision in which the Tax Court held that the 20% interest expense reduction imposed by Sec. 291(a)(3) would apply to a qualified subchapter S subsidiary (QSub) bank even for its tax years following the third year after it converted from C corporation to S corporation status.

C Corporations as S Corporation Subsidiaries

An S corporation can elect to treat a 100% owned subsidiary as a qualified subchapter S subsidiary (QSub), which causes the subsidiary to be disregarded for most federal tax purposes. The subsidiary must be a corporation that would be eligible to be an S corporation if the shareholders of its parent S corporation held its stock directly.

F Reorg. of an S Corp. May Require a New EIN

Rev. Rul. 2008-18 posits two situations in which an S corporation becomes a QSub of a newly formed corporation that will qualify as an F reorganization. The ruling also provides new guidance on the proper employer identification number (EIN) to be used by the entities in each situation.

QSubs Recognized as Separate Entities for Employment and Excise Taxes

Editor: Kevin F. Reilly, J.D., CPA The IRS has issued final regulations that treat qualified subchapter S subsidiaries (QSubs) and other disregarded entities (DEs) as separate entities for federal employment tax and certain excise tax purposes (TD 9356). Although the regulations are effective as of August 16, 2007, the employment

Current Developments in S Corporations (Part I)

Part I of this two-part article discusses S corporation eligibility, elections, and termination issues, including several changes related to the Small Business and Work Opportunity Tax Act of 2007.

Newsletter Articles


50 years of The Tax Adviser

The January 2020 issue marks the 50th anniversary of The Tax Adviser, which was first published in January 1970. Over the coming year, we will be looking back at early issues of the magazine, highlighting interesting tidbits.


Quirks spurred by COVID-19 tax relief

This article discusses some procedural and administrative quirks that have emerged with the new tax legislative, regulatory, and procedural guidance related to COVID-19.