When you open the procedure, the Create tab first appears. In the upper portion of the window you select how to classify and select the list. There are a number of alternatives you can use to classify and select.
In the lower part of the tab you will find different list types to choose from. Under Show you can select which invoice status a partial invoice must have in order to be included in the list. You can choose to show external currency and there is an option called Pre-select for release (Create invoice basis).
Under Printout Samples, you can see samples of the different lists as well as explanations regarding each list type.