HM Revenue & Customs Key Tax Deadlines in October 2015.
Date and Type Deadline
Oct’ 5 – Deadline to notify charge ability for Income Tax/Capital Gains Tax for 2014-15 if not registered for Self-Assessment. Complete form CWF1 for self-employment or form SA1 for non-self-employed income, or form SA401 for partners
Oct’ 31 – Midnight deadline for paper submission of Self-Assessment tax returns for the tax year ended 5 April 2015 to be received by HMRC.