Mastering Multistate Taxation of S Corporations: State Variances in Recognition of S Elections and QSSS

Recording of a 110-minute CPE webinar with Q&A

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Conducted on Tuesday, July 27, 2021

Recorded event now available

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Course Materials

This course will provide tax preparers and advisers with detailed guidance on the most pervasive issues facing multistate taxation of S corporations. The panel will detail those states that vary from automatic acceptance of the federal S-election, review the composite return requirements, and discuss calculations, adjustments, and filing requirements for those states where the S-election fails and a composite return is not available. The panel will also outline state variances in tax treatments of qualified subchapter S subsidiaries (QSSS).


Multistate taxation of S corporations presents significant challenges to tax preparers and advisers. Not all states follow the federal S-election tax guidelines, and some states do not recognize S corporations as pass-through entities in all circumstances.

In addition to the lack of conformity in filing requirements and status, various states have different treatments of nonresident shareholders and differing rules regarding composite returns and withholding.

Different states have different approaches to filing and withholding requirements when a resident S corporation has nonresident shareholders. While many states require composite returns, some states, such as Georgia, require all nonresident shareholders to consent to pay Georgia tax and require the corporation to file as a C corporation absent that consent.

Tax advisers must be fully aware of the filing and withholding issues that arise when an S corporation has a nonresident shareholder.

In addition to the overall lack of conformity between federal and states treatment of S corporations, there is divergence among various states on the recognition of QSSS. Several states do not recognize the QSSS, and tax advisers must understand the impact of nonrecognition.

Listen as our experienced panel provides a detailed exploration into the issues and opportunities related to the multistate taxation of S corporations.



  1. Current landscape of state treatment of S corporations
    1. States with full conformity with federal S-election
    2. States with partial conformity with federal S-election
    3. States with intentional nonconformity with federal S-election
  2. S corporations with nonresident shareholders
  3. Apportionment and allocation questions
  4. Taxation of nonresident shareholders
  5. Composite return requirements


The panel will review these and other key issues:

  • What are the current state-by-state mechanics for nonresident S corporations?
  • What are the composite return and consent rules in the case of S corporations with nonresident shareholders?
  • What are the major state trends for QSSS recognition?
  • What calculations, adjustments, and schedules need to be maintained in the case of multistate filings where one state does not recognize S corporation status?


Daiell, Katy
Katy Daiell, CPA, MST


Ms. Daiell is a partner in the Firm’s Boston Office and is a member of the Firm’s Corporate Tax Services...  |  Read More

Garcia, Sukaina
Sukaina (Suki) Garcia, CPA
Senior Manager

Ms. Garcia is a Senior Manager in the Firm’s Boston Office and is a member of the Firm’s Corporate Tax...  |  Read More

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