A new budget report that shows Idaho is projecting an $80 million budget deficit does not factor in the costs of conforming to federal tax changes in Congress’ One Big Beautiful Bill Act, state budget officials said Monday.

One outside estimate indicates federal tax conformity could cost the state of Idaho another $167 million that is not calculated into the projected $80 million budget deficit.

As a result, some state legislators worry the projected budget deficit could be even bigger than it initially appeared in last week’s budget report.

Impact of Trump law on Idaho budget

President Donald Trump signed the act into law on July 4.

The act makes several tax changes, which would have an impact on revenue available for state tax systems, the Tax Foundation wrote.

Those changes includ

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