This presentation discusses the Defense Interest Group (DIG) Business Rules (DIGBR) for implementing technical publications using S1000D specifications. It provides an overview of the DIGBR, including the challenges faced in developing common rules across nations. Examples are given of applying the DIGBR within NATO and Swedish military projects. The presentation also outlines future targets, such as publishing the DIGBR and BREX data module. The overall aim of the DIGBR is to promote standardization and interoperability when authoring technical manuals using S1000D.