Answers from IRS publications, with sources

Every answer quotes the publication it comes from, and the quote is checked against the text before you see it. If the publications do not cover your question, it says so instead of guessing.

Covers 11 IRS publications (Publication 17 for 2023, 2024 and 2025, plus 501, 587, 334, 463, 970, 596, 590-A and 519). Not tax advice. Built by Mat Niznik; source and evaluation results on GitHub.