Resource hub
Business finance
The finance fundamentals that sit underneath every card and spend decision — written for operators rather than for accountants.
Introduction
Most operating finance problems reduce to timing: money arrives later than it leaves. These guides cover the concepts and the mechanics for seeing that clearly enough to act early.
They pair with the business finance reference and the cash management page, which cover the same ground from a product perspective.
Guides in this hub
Each guide is self-contained and links to the product pages it relates to.
Topic categories
How the material in this hub is organised.
Related product references
Recently updated
The most recently reviewed material in this hub.
Frequently asked questions
It covers a full quarter of operating reality — long enough to see a problem developing, short enough to forecast with usable accuracy. It is the standard horizon in operational cash management for exactly that reason.
No. These guides are general reference material and do not take account of your circumstances. Take professional advice before acting on any of it.
They affect timing and visibility rather than the underlying economics. Card settlement is a predictable outflow that should be modelled explicitly — see cash management.
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.
- FASB Accounting Standards Codification Reference point for accrual, expense recognition and close-process statements.
- FDIC — deposit insurance and pass-through coverage Reference for how deposit insurance applies, including through third-party arrangements.
- Nacha — ACH Network rules and resources Used for statements about ACH timing and payment rails.
- 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.