/visma-net-erp/help/supplier-ledger/process-purchase-invoices/register-purchase-invoices-to-projects section In the Projects (PM301000) and Project tasks (PM302000) windows, on the General settings tab, in the Visibility settings section, make sure that you have selected the check box Supplier ledger, so that you can register purchase invoices to projects. 2026-02-19T17:09:06+01:00 # Register purchase invoices to projects In the Projects (PM301000) and Project tasks (PM302000) windows, on the General settings tab, in the Visibility settings section, make sure that you have selected the check box Supplier ledger, so that you can register purchase invoices to projects. For more information: [Projects (PM301000)](/visma-net-erp/help/project-accounting/project-accounting-windows/projects-pm301000/), [Project tasks (PM302000)](/visma-net-erp/help/project-accounting/project-accounting-windows/project-tasks-pm302000/). 1. Go to the [Purchase invoices (AP301000)](/visma-net-erp/help/supplier-ledger/supplier-ledger-windows/purchase-invoices-ap301000/) window. 1. Select the relevant supplier. 1. Add a **Supplier ref**. 1. On the **Document details** tab, click  to add a line and fill out the necessary information, making sure to add the correct project in the **Project** column. 1. Click . 1. Click **Release**.