prompting-claude-sonnet-5-5 changedbuild-with-claude/prompt-engineering/prompting-claude-sonnet-5-5
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172172* `reasoning_extraction`: the request asks the model to reproduce its internal reasoning in the response text.
173173* `general_harms`: the request falls under another usage-policy area. Benign work can also trigger this category.
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175If the `bio` classifier blocks your organization's life sciences work, you can apply to the [Life Sciences Verification Program](https://www.anthropic.com/news/life-sciences-verification-program).
175If the `cyber` classifier blocks your organization's legitimate security work, you can apply to the [Cyber Verification Program](https://support.claude.com/en/articles/14604842). If the `bio` classifier blocks your organization's life sciences work, you can apply to the [Life Sciences Verification Program](https://www.anthropic.com/news/life-sciences-verification-program).
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177177If you turn on [server-side fallback](https://platform.claude.com/docs/en/build-with-claude/refusals-and-fallback#server-side-fallback) (beta), it retries `cyber` and `frontier_llm` declines on Claude Sonnet 5. It doesn't retry `bio`, `reasoning_extraction`, or `general_harms` declines. See [Refusals, fallback, and billing](https://platform.claude.com/docs/en/models/sonnet-5-5/whats-new-sonnet-5-5#refusals-fallback-and-billing).
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