title: Proposal to change Rule 18a, Rule 18f and Rule 30 to limit the retroactive consequences of changes accepted by the ICSB.
authors.affiliation: DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Braunschweig, Germany. bti@dsmz.de
authors.forename: B J
authors.initials: BJ
authors.lastname: Tindall
mesh_terms: D001419:Bacteria / Q000145:classification* / Q000254:growth & development*; D015373:Bacterial Typing Techniques / Q000592:standards; D009626:Terminology as Topic