{Reference Type}: Journal Article {Title}: Emendation of Principle 8, Rules 5b, 8, 15, 33a, and Appendix 7 of the International Code of Nomenclature of Prokaryotes to include the categories of kingdom and domain. {Author}: Oren A; {Journal}: Int J Syst Evol Microbiol {Volume}: 73 {Issue}: 11 {Year}: 2023 Nov {Factor}: 2.689 {DOI}: 10.1099/ijsem.0.006123 {Abstract}: Following an electronic discussion on proposals to emend Principle 8, Rules 5b, 8, 15, 33a, and Appendix 7 of the International Code of Nomenclature of Prokaryotes (ICNP), I here report the outcome of the ballot on these proposals by the members of the International Committee on Systematics of Prokaryotes. These emendations enact the addition of the categories of kingdom and domain to the ICNP.