5th

  • Deadline for notifying HM Revenue and Customs of chargeability to income or capital gains tax for the tax year ended 5th April 2017

22nd

  • Deadline for electronic payment of PAYE settlement agreement (if any) for tax year ended 5th April 2017 (for non-electronic payments the deadline is 19th October 2017)

31st

  • Deadline for the submission of paper Self-Assessment Tax Return for tax year ended 5th April 2017