There is therefore the option of creating a purchase requisition first, without account assignment. Are you testing the right SAP transaction codes?Here are the most-used SAP T-Codes. SAP TS410 is a 2-week intensive course that can be followed with the SAP TS410 certification exam. This is considered an entry-level consulting certification. You must properly transfer the assets of a business purchase. A Maryland business attorney specializing in business sales will make sure it's done properly.