EFIN Electronic Filing Identification Number Validation
Current understanding
To be populated as evidence accumulates.
Evidence log
- 2026-07-23 — A bill to require validation of electronic filing identification numbers used to electronically file tax returns and other documents.: S5111 (119th Congress) introduced to require validation of Electronic Filing Identification Numbers (EFINs) used to electronically file tax returns and other documents with the IRS. (novelty: 2)
Open questions
Related
Contributing findings
A bill to require validation of electronic filing identification numbers used to electronically file tax returns and other documents.
23-jul-2026
novelty 2
per-area 2
introduces