DDNTA for NCTS P4 Appendix H: EDIFACT Segment Descriptions (CUST-DEV3-SC09-DDNTA_APP_H) (PDF, 888.26 KB) DDNTA for NCTS P4 Appendix Q2: Technical Message Structure (CUST-DEV3-SC09-DDNTA_APP_Q2) (PDF, 452.59 KB) Rules and conditions (DOCX, 17.81 KB) LATEST Planning (XLSX, 10.84 KB) Public Certificates: https://ccff02.minfin.fgov.be/publicCertificates/NCTSBelgiumPRD_19092020.p7b https://ccff02.minfin.fgov.be/publicCertificates/NCTSBelgiumPRD_19092020.pem