The Guardian Money team put these questions to tax experts and HMRC
This weekend, hundreds of thousands of people will be sweating over their self-assessment tax forms. Many will be terrified that a small mistake could land them in big trouble with one of the most powerful bodies in the land – Her Majesty's Revenue & Customs.
As Moira Stuart's TV ads proclaim, tax needn't be taxing, and indeed HMRC's website offers people plenty of guidance on filling in forms. However, there are questions you won't find answers to, and which some taxpayers might feel uncomfortable asking, for fear it will mark them out as tax dodgers or possibly on the fiddle.