// The blog

Notes on money already spent, and rules made executable.

Writing from the Korrex founders on invoice audit and recovery for fleet repair, and on authority — the layer that decides what people, software and agents are allowed to do.

// 01 The audit

What Is an Accounts Payable Recovery Audit, and Why Fleet Maintenance Is the Vertical No One Audits

A recovery audit checks what a company paid against what it agreed to pay, and returns the difference. Fleet repair is the one large category it has never touched.

By Martijn Oremus · Co-founder (Commercial)

What Is Fleet Warranty Recovery? Why Fleets Leave 12–18% of Eligible Repairs Unclaimed

Fleet warranty recovery is the practice of claiming back the cost of repairs that a manufacturer’s warranty should have paid for.

By Martijn Oremus · Co-founder (Commercial)

What Is a Fleet Invoice Recovery Audit?

A line-by-line check of the repair invoices a fleet has paid, measured against the contracts, warranties and repair-time standards the fleet already holds.

By Martijn Oremus · Co-founder (Commercial)

// 02 The doctrine

VMRS Codes, Explained: What They Are and Why Fleets Use Them

VMRS gives every fleet, shop and manufacturer a shared way to describe what was worked on, what went wrong, and what was done about it.

By Zane O’Donnell · Co-founder (Technical)

What Is Authority in the Agentic World? Why Permission Beats Prediction

The question that decides whether you can trust an AI agent is not how capable the model is. It is what the agent is allowed to do, and whether that can be proven.

By Zane O’Donnell · Co-founder (Technical)

How Do You Know What Your AI Agents Are Actually Doing?

Monitoring tells you what happened after it happened. It does not stop the agent doing the wrong thing in the first place.

By Zane O’Donnell · Co-founder (Technical)