BoomTax vs IRS IRIS Direct Filing: Which Is Right for You?

Three Ways to File Directly Through IRIS

Before comparing BoomTax to IRIS direct filing, it helps to understand the three IRIS channels available to filers:

1. IRIS Taxpayer Portal (Manual Entry)

The Taxpayer Portal is a free web application where you type in form data one return at a time. It's designed for very low-volume filers — individuals or small businesses filing a handful of 1099 forms. There is no API, no bulk upload, and no integration with external systems. You must register for IRIS and authenticate through ID.me.

2. CSV Upload

The Taxpayer Portal also supports CSV file uploads for moderate volumes. You download a template, fill it in with your payee data, and upload it through the portal. This is faster than manual entry but still requires manual formatting, manual upload, and manual error review. Volume is limited compared to the A2A API.

3. A2A (Application-to-Application) API

The A2A API is the high-volume channel. It accepts XML submissions programmatically, supports large batch sizes, and provides asynchronous acknowledgments. However, it requires a developer to build the integration, an IRIS TCC (45+ day application), and ongoing maintenance as the IRS updates its schemas.

Feature-by-Feature Comparison

= Full support   = Partial/Manual   = Not available   * A2A API volume is limited by TCC allocation and rate limits.

When IRIS Direct Filing Makes Sense

IRIS direct filing is the right choice in a narrow set of scenarios:

• Very low volume (under 10 forms): If you file fewer than 10 information returns per year, the free IRIS Taxpayer Portal is adequate. The manual data entry is manageable at this scale.
• Government or regulatory requirement: Some organizations may have internal policies requiring direct government filing without third-party intermediaries.
• In-house development capacity: If you have a development team, budget, and timeline to build and maintain an A2A API integration, direct filing gives you full control over your submission pipeline.

When BoomTax Is the Better Choice

For the vast majority of filers, BoomTax provides a better experience than IRIS direct filing:

• Any meaningful volume: Once you pass 10–20 forms, the time savings of BoomTax's bulk upload, import, and API features far outweigh the per-form cost.
• Existing FIRE workflows: If your ERP, payroll, or accounting system generates Publication 1220 files, BoomTax accepts them as-is. No reformatting required. No XML learning curve.
• Need for TIN matching: IRIS does not verify TINs against IRS records before filing. BoomTax offers TIN matching to catch errors before they become B-notices and penalties.
• Recipient copy delivery: IRIS only files with the IRS. You're responsible for printing and mailing Copy B to recipients. BoomTax handles print, mail, and electronic delivery of recipient copies.
• State filing: BoomTax manages Combined Federal/State Filing automatically. With IRIS direct, you must manually include state data in the correct format.
• Corrections: Filing corrections through IRIS requires understanding Type 1 vs. Type 2 procedures and building the correct XML. BoomTax automates the entire correction process.
• Support: The IRS help desk offers limited assistance for IRIS portal issues. BoomTax provides US-based compliance experts who understand your filing requirements.

Cost Comparison: Free vs. Per-Form

IRIS direct filing is free in terms of IRS fees, but "free" can be misleading:

For most filers, BoomTax's per-form cost is substantially less than the staff time, development cost, and error-related penalties associated with IRIS direct filing.

Frequently Asked Questions