⚠️ Safe Harbor Deadline: July 4, 2026 00d 00h 00m 00s

Automated Compliance for
Federal Solar Tax Credits

Stop risking your Section 48E and 45Y credits. FEOC-Vault provides an immutable system of record to track supply chain origins, automate MACR math, and generate IRS-ready audit packets in minutes.

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Built for Regulatory Precision

FEOC-Vault is developed in accordance with the regulatory standards set forth in IRS Notice 2026-15 and the Bipartisan Infrastructure Law. Our methodology is designed to align with U.S. Department of Commerce supply chain guidance. FEOC-Vault is a private company and is not affiliated with, endorsed by, or sponsored by the IRS, the Department of Homeland Security, or any government agency.

FEOC Compliance Resource Hub

How to calculate MACR for solar

Our automated engine removes the guesswork. Learn how we bound our math to current IRS thresholds.

PFE definition for solar tax credits

We maintain a real-time database of PFEs. Understand the 25% ownership rule.

IRS Notice 2026-15 compliance checklist

We map your project against the latest IRS mandates so you don't have to build your own checklist.

Documenting solar supply chain origins

From attestation letters to WORM-compliant storage, we provide the infrastructure needed.

PFE Watchlist Sync

Auto-cross-reference BOMs against UFLPA, CSL, and OFAC lists.

Cryptographic Vault

SHA-256 hashed, WORM-compliant storage for tax-critical evidence.

Deterministic Math

Zero-error MACR calculations bound to IRS thresholds.

One-Click Packets

Instant generation of branded, audit-ready IRS compliance PDFs.

Standardize Compliance for your Clients

Reduce audit review time by 70% and eliminate "spreadsheet-risk."

Partner with us as a CPA →

White-Label Ready

Generate audit packets with your accounting firm's logo.

Schedule a Discovery Call