This document provides a guidance on how to develop an Information Delivery Manual (IDM) in compliance with EN ISO 29481-1 hereafter referred to as the IDM standard . This document explains the core components and development process of the IDM methodology in non-technical terms. This guidance aims to help users and software vendors understand and utilize the IDM standard in defining information requirements and deliverables. The technical implementation of IDM in a data model, Model View Definition1) (MVD), is excluded from this guideline s scope. IDM standard introduces the MVD concept but does not specify it in detail. This guidance also utilizes some transaction framework concepts introduced in EN ISO 29481-2. The technical XML- and XSD-schema definitions supporting the software solutions are excluded from this guidance.