One IRS rule, written and verified end to end

The standard deduction rule was generated from the IRS text on 21 October 2026. The button below checks it again, on this server, now: the IRS documents, the release record, the code, and every test case.

Model A wrote the ruleFrom the 2025 Form 1040 and its instructions. Every amount cites its page.

Model B wrote the testsFrom the same text, without seeing the code. 18 cases.

A person confirms the restWhere the two disagreed, a review proposed a resolution from the IRS text and the statute, and a named person confirmed it.

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Takes a few seconds. No model runs during the check; it verifies what the models produced.

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Browse the files: The rule's code Model B's test cases Review decisions Release record IRS excerpts Prompt, model A Prompt, model B