Group 1 - The article discusses the process for taxpayers to correct or void their tax declarations after submission, emphasizing that corrections must be full and cannot be partial [3][4]. - Taxpayers can access the electronic tax bureau to manage their tax declarations, including options for correction and voiding [6][10]. - The interface allows users to filter by declaration date and tax period, facilitating the search for specific tax forms [10][12]. Group 2 - Upon selecting the appropriate tax form, taxpayers can initiate the correction or voiding process through the provided options [13][15]. - A confirmation prompt appears when a taxpayer attempts to void a declaration, ensuring that the action is intentional [14][15]. - Successful completion of the correction or voiding process is confirmed through a notification, concluding the transaction [17].