by Alice Lilley, TelegraphCivil servants face being sanctioned if they fail to use the preferred name or gender of a transgender colleague, leaked Whitehall guidance has revealed. The document outlines how fellow civil servants should treat transgender colleagues at work and includes warnings that “deliberate dead naming or misgendering to deny, mock or invalidate” a trans person would be investigated as potential misconduct. It also includes guidance telling employees they “may not use facilities of your affirmed gender which are designated as single-sex”, The Times reported. The Cabinet Office also refused to share the draft policy with this newspaper. Read hereRead also: Trans guidance for civil servants must stay secret, ministers say by Madeleine Ross, TelegraphWatch: Woke on Whitehall?