Illustration of the IRS Opportunity Zone transition — an urban skyline with a December 31 clock over a development blueprint
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IRS Opportunity Zone Transition Rules 2026: Notice 2026-40

BySW Accounting admin

Does the new Opportunity Zone regime just extend the old rules? No. The IRS Opportunity Zone transition rules in Notice 2026-40 keep the December 31, 2026 deferred-gain date, but reinvested QOF gains restart the 10-year clock and ongoing projects now need a written working-capital plan in place by year-end. The IRS has finally drawn a…