Appendix 1: DE 1/10: Requested and Previous Procedure Codes Details This Appendix only contains the additional notes on specific declaration data elements in relation to each 4-digit Procedure Code and does not constitute full guidance on how the declaration should be completed. Where the DE 1/10 completion notes contain different instruction from the main Declaration Completion Guide or other Appendices, the completion instructions in Appendix 1 take precedence. Published 14 October 2019 26 January 2021 Updated Appendix 1:DE 1/10 with the declaration category for an Export Simplified Declaration (on an occasional basis). 14 October 2019