Recommendation ITU-T X.509 (2019) Amd. 1 (10/2024) - Information technology – Open Systems Interconnection – The Directory: Public-key and attribute certificate frameworks
1)  Clause 13.2.13
     13.2.13 Sequence number attribute type
2) Annex A, clause A.1
3) Annex A, clause A.2
4) Annex A, clause A.3
5) Annex B
6) Annex C, clause C.2
7) Annex D