4.97. Confidence in the safety case will be reduced if it is perceived not to have addressed relevant issues. Completeness is one of the first things that the regulatory body is likely to consider in its review of the safety case (Section 8). Other interested parties may also wish to verify that issues important to them have been addressed. It is advisable, therefore, to use various methods to demonstrate that the safety case addresses all relevant issues, including the stage of development of the disposal facility and may derive from several sources, including legislation, regulations and concerns of interested parties. Methods for demonstrating completeness may, therefore, include well structured cross references or mappings that provide a link from these sources to the safety case.