T040 is a standard SAP Pooled Table which is used to store Dunning keys data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The T040 table consists of various fields, each holding specific information or linking keys about Dunning keys data available in SAP. These include MSCHL (Dunning key), MAXST (Maximum Dunning Level), XSEPD (Indicator: Print separately ?)... 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. .