Those returns received by HM Revenue & Customs by 30th September 2005 will have the tax calculated by HMRC and, if under £2,000, collected through your tax code.
Simon Rees, tax senior manager, PricewaterhouseCoopers, said: "By being organised now you can save yourself time and energy in January, when you will have to complete your self assessment in full and work out yourself how much you owe."
Around 1.5 million people have received a new four-page short return. This has to be submitted by 30th September otherwise tax payers face the prospect of filling in the larger 12 page form.
PwC offers these tips:
If you don't make the 30th September deadline, all is not lost:
If you haven't received a self assessment tax return but your circumstances have changed so that you now receive income not taxed at source, such as rental income, you should contact your local tax office by 5th October to request a return.