The additional three actions that need to be accomplished to activate the Spend Authorization feature after opting in the new feature Spend Authorization with Budgetary Control are to enable Payment Request Subtypes, rebuild the Budgetary Control Cube, and enable spend authorization. Payment Request Subtypes are used to classify payment requests into different categories such as travel advance or expense reimbursement. You need to enable Payment Request Subtypes using the Manage Payment Request Subtypes task in Setup and Maintenance. Rebuilding the Budgetary Control Cube is required to update the budgetary control balances with the new spend authorization dimension. You need to rebuild the Budgetary Control Cube using the Rebuild Budgetary Control Balances Cube process in Scheduled Processes. Enabling spend authorization is required to allow users to create spend authorizations using self-service procurement or expenses applications. You need to enable spend authorization using the Manage Budgetary Control task in Setup and Maintenance. You do not need to enable Payment Process Profile, as this is a feature that defines payment processing options for payment requests such as payment method or format. You do not need to create a Tax Configuration Workbook, as this is a feature that allows you to import tax setup data using a spreadsheet template. Reference: Oracle Financials Cloud: General Ledger 2022 Implementation Professional Objectives - Process Budget Journals 12