EFIN Verification Act of 2026
- Sponsor
- Rep. Estes, Ron [R-KS-4]
- Committees
- Ways and Means Committee (primary)
- Last action
- Sep 16, 2026
Bottom line
This bill aims to enhance the security and integrity of the electronic tax filing system by requiring real-time validation of Electronic Filing Identification Numbers (EFINs) to combat fraud and ensure authorized preparer use.
What it actually does
This bill mandates a system for validating Electronic Filing Identification Numbers (EFINs) used by tax preparers to electronically file tax returns and other documents. It requires the Secretary of the Treasury to develop a real-time validation program and makes it mandatory for electronic filing software to utilize this system before allowing a return to be filed. Additionally, it amends Section 6103(k) of the Internal Revenue Code to permit the disclosure of EFIN validation information to designated 'specified validators' such as software providers, State tax agencies, and financial institutions.
Proponents argue
Proponents argue that this bill is a crucial step in combating tax fraud and identity theft by ensuring that only authorized and active EFINs are used for electronic tax filings. They contend that a real-time validation system will prevent fraudulent preparers from submitting returns, thereby protecting taxpayers and the integrity of the tax system. This measure would also provide greater confidence in the e-filing ecosystem for taxpayers, software providers, and financial institutions.
Opponents contend
Opponents might raise concerns about the potential for increased administrative burden on tax preparers, especially smaller operations, who would need to ensure continuous EFIN validation. There could also be arguments about the cost and complexity of developing and maintaining a real-time validation system, as well as potential delays or technical glitches that could disrupt the tax filing process for legitimate preparers. Some might also express privacy concerns regarding the disclosure of EFIN validation information, even to 'specified validators.'
The bill is very short and straightforward, making it highly accessible for any reader to understand its core provisions within the time given.
Section 2(b)
Mandatory EFIN Validation for Electronic Filing
This provision makes it mandatory for an Electronic Filing Identification Number (EFIN) to be validated as active and authorized by the Secretary of the Treasury or a designated 'specified validator' before it can be used to electronically file any tax return or other document. It also requires electronic filing software to incorporate this validation check, preventing filings if the EFIN is not validated.
Supporters argue
Supporters argue this is a critical anti-fraud measure, ensuring only legitimate preparers can file returns, thereby protecting taxpayers from fraudulent activities and bolstering the integrity of the tax system.
Critics contend
Critics might argue that this adds an unnecessary layer of bureaucracy and potential technical hurdles for legitimate tax preparers, potentially slowing down the filing process or increasing operational costs, especially for smaller businesses.
Tradeoffs
Balances the need for enhanced security and fraud prevention against potential administrative burdens and technical complexities for tax preparers and software developers.
Section 2(c)
Establishment of Real-Time EFIN Validation System
This section directs the Secretary of the Treasury to create a program for EFIN validation. This program must include a real-time system that provides immediate confirmation of an EFIN's status (active, authorized, suspended, revoked, or compromised) and is designed to handle secure, automated, high-volume requests from large-scale tax preparation software. Validation is required prior to initial use and at appropriate intervals.
Section 2(d)
Amendment to Taxpayer Information Disclosure Rules
This provision amends Section 6103(k) of the Internal Revenue Code of 1986 to allow the Secretary of the Treasury to disclose information from the EFIN validation program to 'specified validators.' These validators, which can include software providers, State tax agencies, and financial institutions, would receive necessary information to confirm an EFIN's active and authorized status. It also adds this new disclosure authority to the existing safeguard requirements under Section 6103(p)(4).
Amends the Internal Revenue Code to allow the Secretary to disclose EFIN validation program information to 'specified validators' (software providers, State tax agencies, financial institutions) and subjects these disclosures to existing taxpayer information safeguards.
Section 2(d)(1) and (2)
Why it matters:This is standard legislative practice for modifying existing law. The technical nature of tax code amendments often makes them less visible to a casual reader.
Case for: Proponents argue this is essential for the practical implementation of the EFIN validation system, allowing trusted partners to assist in real-time verification and enhance fraud detection across the ecosystem.
Case against: Critics might express concerns about expanding the circle of entities with access to tax-related information, even with safeguards, potentially increasing data security risks or privacy erosion for taxpayers.
Estimated impact: Enables the operationalization of the EFIN validation system by allowing necessary data sharing, impacting data privacy and security protocols for millions of tax filings annually.