KISU_BOS is an SAP Append structure so does not store data like a database table does but can be used to process "Ampliação de KIS1 por grupo de mercadorias" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Append structure. These can then be used to store and process the required data appropriately.
i.e. DATA: wa_KISU_BOS TYPE KISU_BOS .
Below is the documentation avaialable and full details of the fields which make up this Append structure.
|Data Type||length (Decimals)||Check table||Description||Conversion Routine|