Federal tax research on IRS primary sources
Cite the exact page, or abstain.
For material available in the research library, Virtus keeps the official PDF, connects research to source pages, and marks transcribed text. Generated answers cite supporting pages or abstain when the available evidence is insufficient.
Practitioner
What does Ruling 202631001 say about the substantiation requirement?
Virtus
202631001 · IRS ruling · 4 pages
original verified · 4 pages of source text
Reading the document and resolving page citations
Answers cite stored evidence and exact source pages, or abstain.
From the IRS to a citable page.
Virtus finds material in the available IRS ruling collection and keeps the official source link with each document.
Six ways to ask the record.
Exact, citation, filter, fuzzy-identifier, semantic, and hybrid research all resolve through the same stored citation records. Similarity is never treated as authority.
Example query
"qualified appraisal"
Finds the exact phrase in available source text and shows page or section locations when available.
For tax practitioners
Research that shows its sources.
Sign in with your organization to search the library, compare rulings side by side, and download the official PDFs your citations resolve to.
- Originals kept unchanged
- Files checked before use
- Page citations when supported
- Answers cite or abstain