OECD Working on Simplified Methods for Global Tax Calculation

April 22, 2026, 8:28 PM UTC

Countries involved in international tax talks at the OECD are working to develop permanent tests to ease compliance with the global minimum tax, a US Treasury official said Wednesday.

Members of the Inclusive Framework—countries’ delegates involved in the talks—are working on making a routine profits test and a de minimis test included in a temporary safe harbor permanent, said Isaac Wood, attorney adviser at the Treasury’s Office of Tax Policy.

He was speaking during a webinar hosted by Tax Analysts.

The so-called “country-by-country safe harbor” was developed to provide a simplified global minimum tax calculation in the first few ...

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