If separate Welsh and English hashtags are used, then both hashtags must be used on English and Welsh social media channels, to ensure cross-promotion and a unified conversation.
Os defnyddir dau hashnod ar wahân, Cymraeg a Saesneg, rhaid cynnwys y ddau ar gyfrifon Cymraeg a Saesneg fel ei gilydd, i sicrhau traws-hyrwyddo a sgwrs unedig.