BUCC_RULE is a standard SAP Table which is used to store Consistency Checks - Rules data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The BUCC_RULE table consists of various fields, each holding specific information or linking keys about Consistency Checks - Rules data available in SAP. These include APPLIC (Application), LIBRARY (Consistency Checks - Library Code), CHECKTYPE (Consistency Checks - Check Type), CHECKRULE (Consistency Checks - Code for Check Rule)... 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. .