---
title: "Add a subaccount"
description: "Before you proceed In the Segment keys (CS202000) window, be sure the structure of the subaccount has been configured. Review the meanings of the subaccount segment values in your organisation. You define valid values by using the Segment keys (CS202000) window for segments requiring validation. Got to the Subaccounts (GL203000) window. In the table toolbar, click to append a blank row to the table. The input mask for subaccounts is shown in the Subaccount column for the new…"
lang: en
languages:
  en: https://docs.vismasoftware.no/visma-net-erp/help/general-ledger/manage-subaccounts/add-a-subaccount/index.md
lastmod: 2026-02-23
---

> Documentation index: https://docs.vismasoftware.no/visma-net-erp/help/general-ledger/manage-subaccounts/llms.txt


# Add a subaccount

Last modified February 23, 2026

> Before you proceed In the Segment keys (CS202000) window, be sure the structure of the subaccount has been configured. Review the meanings of the subaccount segment values in your organisation. You define valid values by using the Segment keys (CS202000) window for segments requiring validation. Got to the Subaccounts (GL203000) window. In the table toolbar, click to append a blank row to the table. The input mask for subaccounts is shown in the Subaccount column for the new…


## Before you proceed

1. In the [Segment keys (CS202000)](https://docs.vismasoftware.no/visma-net-erp/help/common-settings/common-settings-windows/segment-keys-cs202000/index.md) window, be sure the structure of the subaccount has been configured.
1. Review the meanings of the subaccount segment values in your organisation. You define valid values by using the [Segment keys (CS202000)](https://docs.vismasoftware.no/visma-net-erp/help/common-settings/common-settings-windows/segment-keys-cs202000/index.md) window for segments requiring validation.

1. Got to the [Subaccounts (GL203000)](https://docs.vismasoftware.no/visma-net-erp/help/general-ledger/general-ledger-windows/subaccounts-gl203000/index.md) window.
1. In the table toolbar, click ![icon-add](https://docs.vismasoftware.no/media/visma-net-erp/icon-add.png) to append a blank row to the table.

    The input mask for subaccounts is shown in the **Subaccount** column for the new row.
1. Create the subaccount segment by segment by using one of the following methods, depending on whether the **Validate** check box is selected for the segment in the [Segment keys (CS202000)](https://docs.vismasoftware.no/visma-net-erp/help/common-settings/common-settings-windows/segment-keys-cs202000/index.md) window:

    + If the **Validate** option is selected, select the segment value from the list of predefined values.
    + If the option is not selected, type a value for the segment. Only the number of characters and the type of string (specified in the **Edit mask** field in the [Segment keys (CS202000)](https://docs.vismasoftware.no/visma-net-erp/help/common-settings/common-settings-windows/segment-keys-cs202000/index.md) window) will be validated.
1. Make sure the **Active** check box is selected for the subaccount.
1. Optional: In the **Description** column, briefly describe the subaccount.
1. Click **![icon-save](https://docs.vismasoftware.no/media/visma-net-erp/icon-save.png)** in the window toolbar.


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[View this page](https://docs.vismasoftware.no/visma-net-erp/help/general-ledger/manage-subaccounts/add-a-subaccount/)