AUAB is a standard SAP Cluster Table which is used to store Settlement Document: Distribution Rules data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The AUAB table consists of various fields, each holding specific information or linking keys about Settlement Document: Distribution Rules data available in SAP. These include BELNR (Number of a settlement document), BUREG (Distribution rule group), LFDNR (Sequence number (three characters)), BREST (Settled Amount for the Amount Settlement)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .