This document provides steps for making design time customizations to standard user interface (UI) pages in Oracle Fusion Applications that cannot be achieved through composer customizations. It details logging into an application, navigating to the target page, selecting it for customization in the administration console, obtaining the procurement application ear file, copying it locally, launching JDeveloper with the customization developer role, creating a customization application linked to the ear file, switching roles to access customization tools, searching for and selecting the target page fragment for customization.