/visma-net-erp/help/general-ledger/manage-financial-periods/activate-a-financial-period section When a new financial period starts, you may need to activate (open) it to be able to select this period in documents. 2026-02-19T17:09:06+01:00 # Activate a financial period When a new financial period starts, you may need to activate (open) it to be able to select this period in documents. When a new financial period starts, you may need to activate (open) it to be able to select this period in documents. A financial period can be activated by using the [Financial periods (GL201000)](/visma-net-erp/help/general-ledger/general-ledger-windows/financial-periods-gl201000/) window. You can open more than one period at a time. 1. Go to the [Financial periods (GL201000)](/visma-net-erp/help/general-ledger/general-ledger-windows/financial-periods-gl201000/) window. 1. In the table, review the list of financial periods. 1. Select the **Active** check boxes for periods you want to open for posting transactions 1. Click .