Resource hub

Expense management

The operational half of spend: making sure every transaction ends up documented, coded and closed without anyone spending their week chasing paper.

Start with how to write an expense policy All resource hubs

4Guides in this hub

4Topic categories

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Introduction

Expense management is where finance teams lose the most time and where the smallest process changes produce the largest returns. A receipt rule that works removes more work than any dashboard.

These guides are process-focused and provider-neutral. The expense management reference covers the product mechanics.

Guides in this hub

Each guide is self-contained and links to the product pages it relates to.

01 How to write an expense policy A one-page structure people actually read, including the sections most policies forget. 02 Month-end close checklist A day-by-day close sequence with owners, dependencies and the evidence auditors ask for. 03 Receipt management that survives audit Capture, thresholds, retention and the difference between having receipts and being able to find them. 04 Preventing expense fraud What actually happens, in what proportions, and the controls that address it without treating everyone as a suspect.

Topic categories

How the material in this hub is organised.

Policy

Policy and rules

Writing rules people follow and systems can enforce.

1 guide Process

Close and reconciliation

Running a close that finishes on the same day every month.

1 guide Evidence

Documentation

Receipts, retention and audit readiness.

1 guide Risk

Fraud and misuse

Proportionate controls for the things that actually happen.

1 guide

Frequently asked questions

One where chasing documentation costs more than the risk it mitigates — checked against local tax rules, which may impose their own thresholds for particular categories.

Predictability matters more than speed. A stable six-day close beats one that swings between three and twelve. See the close checklist.

Deliberate fraud is much rarer than error and sloppiness. Controls designed for the common case — duplicates, miscoding, missing documentation — catch most of the deliberate cases as a by-product.

Keep reading

Sources and further reading

Every factual statement on this page is checked against primary documentation. Terms change frequently, so confirm details with the provider before acting on them.

IRS Publication 463 — travel, gift and car expenses Used for statements about expense substantiation and record keeping in the United States.
FASB Accounting Standards Codification Reference point for accrual, expense recognition and close-process statements.
Brex Support Center Official help documentation, including account access and card administration topics.
Consumer Financial Protection Bureau — credit card resources Background on card terminology, billing cycles and consumer-vs-commercial distinctions.

Independent resource notice

Brex Card Reference is an independent publisher. We do not provide account access, financial services, card applications, payments or official customer support, and we are not affiliated with, endorsed by or operated by Brex.

Product names, features and terms referenced here belong to their respective owners and change over time. Verify anything decision-critical with the official provider.

Keep reading in the resource library

Vendor-neutral guides on corporate cards, underwriting, expense policy, spend controls and month-end close — written and reviewed by named editors.

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