1. SAP S/4HANA Cloud Documentation: In the "Sales" module documentation
the section "Structure of Sales Documents" explicitly states: "Sales documents are structured as follows: Header
Item
Schedule line. The data in a sales document is stored in a three-tiered hierarchy." (SAP Help Portal
SAP S/4HANA Cloud
Sales -> Sales Order Management and Processing -> Sales Documents).
2. SAP S/4HANA (On-Premise) Documentation: The "Sales Documents" overview in the Sales and Distribution (SD) component confirms this structure: "Every sales document is made up of a header
items
and schedule lines. These parts contain different types of data that are relevant for sales processing." (SAP Help Portal
SAP S/4HANA 2023
Sales -> Sales and Distribution (SD) -> Sales (SD-SLS) -> Sales Documents).
3. Glynn
J.
& Stagge
C. (2023). Sales and Distribution with SAP S/4HANA: Business User Guide. SAP Press. Chapter 3
"Sales Document Processing
" Section 3.1
"Sales Document Structure
" details that sales documents consist of a header
one or more items
and schedule lines for each item. This fundamental structure is consistent across various sales document types.