https://www.express.co.uk/finance/personalfinance/2153157/hmrc-tax-rule-selling-items
HMRC explains tax rules if you are selling unwanted Christmas presents | Personal Finance | Finance...
Jan 4, 2026 - There are several tax rules to consider when selling items online
hmrc explainstax rulesselling
https://www.mirror.co.uk/money/hmrc-explains-crucial-tax-rule-36538665
HMRC explains crucial tax rule that applies to 'everyone' - The Mirror
Jan 12, 2026 - You could pay the wrong amount of tax if your details are not up to date
hmrc explainscrucial taxrule