You are an independent project manager who uses Project Professional 2013. You work on multiple projects for different customers and use only one project to manage their tasks. You invoice your…

You are an independent project manager who uses Project Professional 2013. You work on multiple projects for different customers and use only one project to manage their tasks. You invoice your customers on a monthly basis. To identify tasks that have not been invoiced, you create a custom field called Not Invoiced. Without losing the original project tasks' sort order, and without hiding any information, you need to see all tasks which have not been invoiced. You create a custom filter based on the Not Invoiced custom field. What should you do next?