Self-assessment tax return: the dos and don’ts to ensure you don’t pay too much

About 12 million people need to file self-assessment forms for 2022-23 and millions leave it late. Photograph: andresr/Getty Images

There are just over two weeks to go before the deadline to file self-assessment tax returns for 2022-23.

This year about 12 million people have to file but earlier this week, HM Revenue and Customs indicated that just over 5 million still had not done so.