The SA100 form is filled in by those who are self-employed or have more complex finances and need to report their income to HM Revenue & Customs (HMRC) and calculate their tax bill. You may more ...

Most people will just have to fill out the SA100 form. However, several supplementary pages may apply to your circumstances. We explain more in our guide to paper tax returns. Some employees, ...

There are various reasons why individuals might need to complete their own taxes, including self-employment and pensioners ... known as a SA100," Dan added. Be sure to familiarise yourself with ...