If you’ve been living with your partner for over 12 months and haven’t officially registered your relationship with the government you will now need to declare it or face a £2,000 fine. Full Fact found versions of the claim shared on Facebook and TikTok, with one post viewed more than 1.4 million times. Some of the videos claim the policy will take effect from 1 January 2026. But there’s no evidence that all couples who live together are set to be required to declare their status, or that they’ll be fined if they don’t. It’s important to consider whether information you see on social media comes from a trustworthy and verifiable source before sharing it.