---
title: "Map pre- and post-tax charges and deductions on bills to general ledger accounts"
slug: "map-non-item-costs-on-bills-to-general-ledger-accounts"
status: "update"
updated: 2026-09-03T20:55:43Z
published: 2026-09-03T20:55:43Z
canonical: "help.servicetitan.com/map-non-item-costs-on-bills-to-general-ledger-accounts"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.servicetitan.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Map pre- and post-tax charges and deductions on bills to general ledger accounts

## 

## Overview

Before creating bills, map non-item costs, such as discounts and charges, to general ledger (GL) accounts. This ensures bills are posted to the correct GL accounts and exported to your accounting software without errors.

  

---

### 

#### Who uses this feature

- Administrators, office employees, managers, accountants, and bookkeepers
- Applies to all business types
- Applies to all trades

#### Feature configuration

- Account configuration is required to use this feature. Please contact [Technical Support](http://go.servicetitan.com/ask) for details.
- The *Purchasing Module* is required to use this feature.
- Permission is required to use this feature. Please contact the account administrator on your team.

## Things to know

- To map sales tax and shipping on bills to GL accounts, see [Map sales tax and shipping on bills to GL accounts](/v1/docs/map-sales-tax-and-shipping-on-bills-to-gl-accounts).
- To manage inventory settings, see [Set up inventory configurations](/v1/docs/set-up-inventory-configurations).
- If you use the *Purchasing Module*, *Purchasing* appears in the main navigation bar and in the side panel.
- If you use the *Inventory Module*, *Inventory* appears in the main navigation bar and in the side panel.

## Map non-item costs on bills to GL accounts

1. Go to the navigation bar and click **Settings ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/icon-gnav-settings-inactive.png)**.
2. In the side panel, click **Accounting > Accounts Payable Configuration**.
3. Click **Set up GL Account Mapping**. ![Setup GL Account Mapping section for general ledger account configuration.](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/gl-account-mapping-setup.png)
4. On the Map General Ledger Accounts pop-up that opens, click the **General Ledger Account** dropdown for each *Bill Section* and select a GL account. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/map-non-item-costs-on-bills-to-general-ledger-accounts-image-6gklp0l3.png)
5. When you’re done, click **Save and Confirm**.

## Want to learn more?

- Visit the ServiceTitan Academy to enroll in [Accounts Payable in ServiceTitan](https://servicetitan.docebosaas.com/learn/courses/295/accounts-payable-in-servicetitan)
- See [Set up Accounts Payable](/v1/docs/set-up-accounts-payable)
- See [Map sales tax and shipping on bills to general ledger accounts](/v1/docs/map-sales-tax-and-shipping-on-bills-to-gl-accounts)