# Exclude specific values in accounting rules

Custom rules in Brex now support "is not" filters, including "is not empty." 

**URL Source:** https://www.brex.com/product-announcements/exclude-specific-values-in-accounting-rules

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**Date:** 2026-06-16

**Domains:** Accounting

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Custom rules in Brex now support "is not" filters, including "is not empty." When building rules in Accounting > Manage Automations > Custom rules, you can exclude specific field values or require that a field contain any value at all. This gives accounting teams more flexibility to automate categorization without changing their existing workflow.

Get started at _Accounting_ > _Manage Automations_ > _Custom rules_.