Ahead of the self-assessment tax return deadline of 31 January 2021, HM Revenue and Customs (HMRC) has issued a press release warning customers about potential fraudsters claiming to be from HMRC. Criminals have previously used calls, emails or texts to contact the public to illicit personal information including bank details. Often, this is done by claiming that the customer is due a "refund" from HMRC. Imposters will then use the information to access bank accounts or sell the information on to other criminals.