** The creature must have [[Age#Creatures|aged]] into its adult form, e.g. a Young [[foal]] must age into a Young [[horse]] before the nameplate can be used.
* '''Wurm rules apply when custom naming your animal. Do not give your animal a name that would break [https://forum.wurmonline.com/entry1265238index.php?/ Wurm topic/123123-wurm-online-rules/].'''
** Spaces are permitted, and the first letter is automatically capitalized.
** There is '''NO''' confirmation for the new name; The name changes immediately once you hit Send.