Official NBR data · 92,699 returns
Is your TIN or BIN selected for audit?
Instant, offline lookup against the official NBR Risk-Based Audit Selection lists. Your TIN or BIN never leaves this device.
BIN Audit Check
Check if a business BIN is on the official NBR audit registration list (600 businesses).
Note: This is an unofficial tool using publicly available NBR data. Always verify your audit status directly with NBR before taking any action.
92,699
Returns
3
Official Lists
100%
Client-side
Optional · Opt-in
Want to know about future lists too?
Save your TIN and we'll email you if it appears on a future NBR audit list. Different from the checker above: this feature stores your TIN in our database.
How it works: 100% in-browser lookup — no server sees your TIN.
Learn more →Questions? What "Not Selected" means, data sources, and more.
Read the FAQ →About the data: Merged from the officially published NBR lists — lookup runs entirely on this device. Combined: 92,699 returns. Source: NBR press release and Audit Selection V3 2023-24 PDF.
