2.6. Appendices.

2.6.1. The appendices for an IS-CDD are the same as for a regular CDD.

For reference or comparison, below is what the JCIDS Manual says for the CDD 2021 itself:

2.6. Appendices. Only the following appendices are allowed in the document. Additional reference documents or data may be submitted IAW procedures outlined in Enclosure A of this manual.

2.6.1. Appendix A. References. Ahead of other references provided in this appendix, the architecture must be discoverable and accessible IAW Appendix H to this enclosure and the architecture data and associated artifacts/views identified in Figure B-28 and, if applicable, Figure B-31 must also be discoverable.