DOR accepting, processing 2018 Form 5S

July 21, 2019

The Wisconsin Department of Revenue (DOR) is now accepting and processing 2018 Form 5S for tax-option S corporations that elect to pay tax at the entity level.

2017 Wis. Act 368 allows a tax-option S corporation to elect to pay tax at the entity level for taxable years beginning on or after Jan. 1, 2018. Tax-option S corporations make an election on 2018 Form 5S, Wisconsin Tax-Option S Corporation Franchise or Income Tax Return, compute tax on 2018 Schedule 5S-ET, Entity-Level Tax Computation and, if applicable, compute the credit for net tax paid to another state on 2018 Schedule ET-OS, Credit for Net Tax Paid to Another State.
 
2018 Schedules 5S-ET and ET-OS have been finalized and the department is accepting and processing 2018 Form 5S returns making the entity-level tax election. Find instructions here.

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