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Guidance

Making Tax Digital for Income Tax: service availability and issues

Check the availability and any issues affecting the Making Tax Digital for Income Tax service.

Updates to this page

From:
HM Revenue & Customs
Published:
15 March 2018
Last updated:
28 September 2026
Show all updates

  1. The Self Assessment Assist API is currently unavailable, due to maintenance. It will return at 9am on Tuesday 29 September.

  2. Planned downtime from 7pm on Saturday 26 September 2026 to 9am Monday 28 September 2026 has been added.

  3. The service issue with viewing accounts in the Making Tax Digital for Income Tax service has been resolved.

  4. A service issue about viewing accounts in the Making Tax Digital for Income Tax service has been added.

  5. The service issue with viewing accounts in the Making Tax Digital for Income Tax service has been resolved.

  6. A service issue about viewing accounts in the Making Tax Digital for Income Tax service has been added.

  7. Planned downtime from 5pm on Friday 11 September 2026 to 1pm Tuesday 15 September 2026 has been added.

  8. The service issue about HMRC Assist (Submission Feedback) has been resolved.

  9. A service issue about the HMRC Assist (Submission Feedback) being unavailable has been added.

  10. The service issue about HMRC Assist (Submission Feedback) has been resolved.

  11. A service issue about the HMRC Assist (Submission Feedback) being unavailable has been added.

  12. Planned downtime from 5pm on Friday 10 July 2026 to 9am Monday 13 July 2026 has been added.

  13. Planned downtime from 5pm on Friday 12 June 2026 to 1pm Tuesday 16 June 2026 has been added.

  14. Planned downtime from 5pm on Thursday 14 May 2026 to 9am Friday 15 May 2026 has been added.

  15. A service issue about being unable to request refunds has been added.

  16. Planned downtime from 5pm on Friday 17 April 2026 to 9am on Monday 20 April 2026 has been cancelled.

  17. Planned downtime from 5pm on Friday 17 April 2024 to 9am on Monday 20 April 2026 has been added. A service issue has also been added where a cash accounting method is held and customers make a claim for Annual Investment Allowance in-year.

  18. The service issue about viewing your account has been resolved.

  19. A service issue about viewing your account has been added.

  20. Planned downtime from 7pm Saturday 7 March 2026 to 9am on Monday 9 March 2026 has been added.

  21. Planned downtime from 5pm on Friday 27 February 2026 to 9am on Tuesday 3 March 2026 and 5pm on Friday 20 March 2026 to 1pm on Tuesday 24 March 2026 has been added.

  22. Planned downtime from 5pm on Friday 16 January 2026 to 9.30am Tuesday 20 January 2026 has been cancelled.

  23. Planned downtime from 5pm on Friday 16 January 2026 to 9.30am Tuesday 20 January 2026 has been added.

  24. Planned downtime from 5pm on Friday 28 November 2025 to 9am on Monday 1 December 2025 and 5pm on Friday 12 December 2025 to 1pm on Tuesday 16 December 2025 has been added.

  25. Planned downtime from 5pm on Friday 17 October 2025 to 9am Monday 20 October 2025 has been added.

  26. The planned downtime covering Friday 12 September 2025 5pm to 1pm Tuesday 16 September 2025 has been extended. The downtime will now finish at 5pm Tuesday 16 September 2025.

  27. Planned downtime from 5pm on Friday 26 September 2025 to 9am on Monday 29 September 2025 has been added.

  28. Planned downtime from 5pm on Friday 12 September 2025 to 1pm Tuesday 16 September 2025 has been added.

  29. A service issue about accessing the Making Tax Digital service has been added.

  30. The planned downtime covering Tuesday 24 June 2025 5pm to 11am Wednesday 25 June 2025 has been extended. The downtime will now finish at 5pm Wednesday 25 June 2025.

  31. The planned downtime from 5pm on Friday 13 June 2025 to 1pm Wednesday 18 June 2025 has ended. The planned downtime from 7am to 11am on Wednesday 25 June 2025 has been changed to 5pm on Tuesday 24 June 2025 to 11am on Wednesday 25 June 2025.

  32. Planned downtime from 7am to 11am on Wednesday 25 June 2025 has been added.

  33. Planned downtime from 5pm on Friday 11 July 2025 to 9am Monday 14 July 2025 has been added.

  34. The details of the planned downtime from 5pm on Friday 13 June 2025 to 1pm Wednesday 18 June 2025 has been updated to specify that you will be unable to access the online service during this time.

  35. Planned downtime from 5pm on Friday 13 June 2025 to 1pm Wednesday 18 June 2025 has been added.

  36. Planned downtime from 5pm on Friday 23 May 2025 to 9am Tuesday 27 May 2025 has been added.

  37. Planned downtime from 00:01am on Sunday 6 April 2025 to midday on Tuesday 15 April 2025 has been added.

  38. Planned downtime from 5pm on Friday 11 April 2025 to midday on Tuesday 15 April 2025 has been added.

  39. Planned downtime from 7am to 11am on Wednesday 26 March 2025 has been added.

  40. Planned downtime from 5pm on Friday 7 March 2025 to 9am on Monday 10 March 2025 has been added.

  41. Planned downtime from 5pm on Friday 7 March 2025 to 9am on Monday 10 March 2025 has been added.

  42. Planned downtime from 5pm on Friday 13 December 2024 to midday on Tuesday 17 December 2024 has been added.

  43. Planned downtime from 5pm on Friday 6 December 2024 to 9am Monday 9 December 2024 has been added.

  44. Planned downtime from 5pm on Friday 13 September 2024 to midday on Tuesday 17 September 2024 has been added.

  45. Planned downtime from 9am to 11am on Sunday 11 August 2024 has been added.

  46. Planned downtime from 5pm on Friday 12 July 2024 to 9am Monday 15 July 2024 has been added.

  47. Planned downtime covering Friday 21 June 2024 to Monday 24 June 2024 has been extended. The downtime will now finish at 9:15am on Tuesday 25 June 2024.

  48. Planned downtime covering Friday 21 June 2024 5pm to 9am Monday 24 June 2024 has been extended to Friday 21 June 2024 5pm to 5pm Monday 24 June 2024.

  49. Planned downtime from 5pm on Friday 21 June 2024 to 9am Monday 24 June 2024 has been added.

  50. Planned downtime from 5pm on Friday 14 June 2024 to 12pm on Tuesday 18 June 2024 has been added.

  51. Planned downtime from 6:30pm to 8pm on Saturday 11 May 2024 has been added.

  52. The service availability from 5pm on Tuesday 16 April to midday on Wednesday 17 April 2024 has been extended to midday Thursday 18 April 2024.

  53. This service will be unavailable from 5pm on Tuesday 16 April to midday on Wednesday 17 April 2024.

  54. Planned downtime from 5pm on Friday 12 April 2024 to midday Tuesday 16 April 2024 has been extended to 3pm Tuesday 16 April.

  55. Planned downtime from 5pm on Friday 12 April 2024 to midday Tuesday 16 April 2024 has been added.

  56. Planned downtime from 5:30pm to 7:15pm on Saturday 16 March 2024 has been added.

  57. Planned downtime from 5pm on Friday 8 March 2024 to 9am Monday 11 March 2024 has been added.

  58. Planned downtime from 5pm on Friday 23 February 2024 to 9am Monday 26 February 2024 has been added.

  59. Planned downtime from 5pm on Friday 16 February 2024 to 9am on Monday 19 February 2024 has been added.

  60. The planned downtime has been changed to 9am on Friday 8 December 2023 to 11:59am on Thursday 14 December 2023.

  61. Planned downtime from 5pm on Friday 17 November 2023 to 9am on Monday 20 November 2023 has been added.

  62. Planned downtime from 5pm on Friday 5 October 2023 to 9am Monday 9 October 2023 has been added.

  63. Planned downtime from 8am to 7pm on Sunday 8 October 2023 has been added.

  64. Planned downtime from Friday 8 September 2023 5pm to 9am on Monday 11 September 2023 has been added.

  65. Planned downtime on Saturday 12 August 2023 8pm to 8:30pm added.

  66. Planned downtime from 5pm on Friday 14 July 2023 to 9am on Monday 17 July 2023 has been added.

  67. Planned downtime from 5pm on Friday 7 July 2023 to 9am on Monday 10 July 2023 has been added.

  68. Planned downtime from 5pm on Friday 30 June 2023 to 9am on Tuesday 4 July 2023 has been added.

  69. Planned downtime for Tuesday 27 June 2023 9pm to 1am Wednesday 28 June 2023 has been extended to Tuesday 27 June 2023 5pm to 9am Wednesday 28 June 2023.

  70. The planned downtime from 11:30am Friday 23 June 2023 to 9am Monday 26 June 2023 has changed, it will now start at midday Friday 23 June 2023 and finish at 9am on Monday 26 June 2023. Planned downtime from 9pm on Tuesday 27 June 2023 to 1am on Wednesday 28 June 2023 has also been added.

  71. Planned downtime from 11:30am on Friday 23 June 2023 to 9am on Monday 26 June 2023 has been added.

  72. Scheduled maintenance message from 6:45pm to 7:30pm on Saturday 27 May 2023 has been added.

  73. The service issue that was affecting some users when accessing the Income Tax Self Assessment Submission Service and submitting a final declaration or retrieving tax calculations has now been resolved.

  74. A service issue has been added. We are working to resolve an IT issue that is affecting some users when accessing the Income Tax Self Assessment Submission Service and submitting a final declaration or retrieving tax calculations. We apologise for any inconvenience this may cause.

  75. Planned downtime from 5pm on Wednesday 5 April 2023 to 4pm on Tuesday 18 April 2023 has been added.

  76. Planned downtime from 5pm on Wednesday 5 April 2023 to 9am on Tuesday 18 April 2023 has been added.

  77. This service will be unavailable from 5pm on Friday 24 March 2023 to 9am on Monday 27 March 2023.

  78. Planned downtime from 5:30pm to 8:50pm on Saturday 11 March 2023 has been added.

  79. Planned downtime from 5:50pm to 7:00pm on Saturday 11 February 2023 has been added.

  80. Planned downtime will now end at 12pm on Thursday 15 December 2022.

  81. Planned downtime will now end at 5pm on Wednesday 14 December.

  82. Planned downtime from 5pm on Friday 9 December 2022 to 5pm on Tuesday 13 December 2022 has been added.

  83. The service issue which effected viewing your account has now been resolved.

  84. A service issue about viewing your account has been added.

  85. Planned downtime from 6pm to 10pm on Wednesday 30 November 2022 has been added.

  86. Planned downtime from 8:15pm to 11:59pm on Saturday 12 November 2022 has been added.

  87. Planned downtime from 10.45pm to 10.55pm on Saturday 12 November 2022 has been added.

  88. Planned downtime from 5pm on Friday 9 September 2022 to 8:30am Monday 12 September 2022 has been added.

  89. The service issue about viewing your account has been resolved.

  90. A service issue about accessing the Making Tax Digital service has been added.

  91. Planned downtime from 5pm on Friday 29 July 2022 to 9am on Monday 1 August 2022 has been added.

  92. The planned downtime from 8am on Saturday 9 July 2022 to 11:30am on Sunday 10 July 2022 has changed, it will now start at 5pm on Friday 8 July 2022 and finish at 9am on Monday 11 July 2022.

  93. Planned downtime from 8am to 6pm on Wednesday 6 July 2022 has been added.

  94. Planned downtime from 8am on Saturday 9 July 2022 to 11:30am on Sunday 10 July 2022 has been added.

  95. Planned downtime from 8am to 10pm on Sunday 8 May 2022 has been changed to 8am to 4pm.

  96. Planned downtime from 8am to 10pm on Sunday 8 May 2022 and from 8am to 5pm on Monday 16 May 2022 have been added.

  97. Planned downtime has been extended to 9am Tuesday 22 March 2022.

  98. Planned downtime from 9am to 2pm on Sunday 27 March 2022 has been added.

  99. Planned downtime from 7:30pm to 10:30pm on Saturday 12 March 2022 has been added.

  100. Planned downtime message from 10am to 11:59am on Sunday 27 February 2022 has been added.

  101. The planned downtime from 5pm on Friday 18 March 2022 to 9am on Monday 21 March 2022 has been amended, it is now from 5pm on Friday 18 March 2022 to 5pm on Monday 21 March 2022.

  102. Planned downtime from 5pm on Friday 18 February 2022 to 9am on Monday 21 February 2022, and from 5pm on Friday 18 March 2022 to 9am on Monday 21 March 2022 has been added.

  103. The planned downtime from 5pm on Friday 11 February 2022 to 9am on Monday 14 February 2022 has been cancelled.

  104. Planned downtime from 5pm on Friday 11 February 2022 to 9am on Monday 14 February 2022 has been added.

  105. Planned downtime from 8:30am on Thursday 3 February 2022 to 5pm on Friday 4 February 2022 has been added.

  106. Planned downtime from 5pm on Tuesday 18 January 2022 to 9am on Wednesday 19 January 2022 has been added.

  107. Planned downtime from 5pm on Friday 14 January 2022 to 9am on Monday 17 January 2022 has been cancelled.

  108. Planned downtime from from 5pm on Friday 14 January 2022 to 9am on Monday 17 January 2022 has been added.

  109. Planned downtime from 9am to 12:01pm on Friday 17 December 2021 has been added.

  110. Information about a service issue has been added.

  111. There is no longer planned downtime from 9am on Wednesday 15 December 2021 to 5pm on Friday 17 December 2021.

  112. Planned downtime from Saturday 11 December 2021 9:38pm to 10:20pm has been added.

  113. The planned downtime has been changed to 9am on Wednesday 15 December 2021 to 5pm on Friday 17 December 2021.

  114. Planned downtime from 12:01am on Wednesday 15 December 2021 to 6pm on Friday 17 December 2021 has been added.

  115. Planned downtime from 11:59pm on Saturday 27 November 2021 to 1:37am on Sunday 28 November 2021 has been added.

  116. Planned downtime from 12:01am to 2:01am on Tuesday 23 November 2021 has been added.

  117. Downtime has been extended to 9.30am Tuesday 16 November 2021.

  118. Planned downtime from 5pm on Friday 12 November 2021 to 6pm Monday 15 November 2021 has been added.

  119. Planned downtime from 5pm on Friday 25 June 2021 to 9am Monday 28 June 2021 has been added.

  120. Planned downtime from 5pm on Friday 11 June to 5pm on Monday 14 June 2021 has been added.

  121. A service issue about viewing Income Tax accounts has now been resolved.

  122. A service issue about viewing Income Tax accounts has been added.

  123. Planned downtime from 9am to 9pm on Sunday 30 May 2021 has been added.

  124. Planned downtime from 11:59pm on Saturday 15 May 2021 to 5am Sunday 16 May 2021 has been added.

  125. Planned downtime from Friday 16 April 2021 5pm to 5pm Monday 19 April 2021 has been extended and will end at midday on Tuesday 20 April 2021.

  126. Planned downtime from Friday 16 April 2021 5pm to 5pm Monday 19 April 2021 has been added.

  127. Planned downtime from 4pm on Saturday 12 December to 5pm Monday 14 December has been added.

  128. Planned downtime from 11:59pm on Sunday 18 October 2020 to 3:30am on Monday 19 October 2020 added.

  129. Planned downtime from 9am on Sunday 27 September 2020 to 2pm has been added.

  130. Planned downtime from 5pm on Friday 11 September 2020 to 9am Monday 14 September 2020 has been added.

  131. Planned downtime from 6pm on Friday 11 September 2020 to 7am Monday 14 September 2020 has been added.

  132. The service issue about accessing the Making Tax Digital service has been removed.

  133. A service issue about accessing the Making Tax Digital service has been added.

  134. Planned downtime from 10am to midday on May 27 2020 has been added.

  135. Planned downtime message from 7:45pm on Thursday 14 May 2020 to 2:30am on Friday 15 May 2020 has been changed to 7:45pm on Saturday 16 May 2020 to 2:30am on Sunday 17 May 2020.

  136. Planned downtime message from 7:45pm on Thursday 14 May 2020 to 2:30am on Friday 15 May 2020 has been added.

  137. Planned downtime message added as some services will be unavailable on Saturday 28 March 5pm to 8pm.

  138. Planned downtime message from 9.30am to 12.30pm on Thursday 2 April 2020 has been added.

  139. Planned downtime messages from 9:45am to 11am on Saturday 14 March 2020, 11:59pm on Saturday 14 March 2020 to 2am on Sunday 15 March 2020 and from 2pm to 6:30pm on Sunday 15 March 2020 have been added.

  140. Planned downtime messages from 11:59pm on Saturday 14 March 2020 to 2am on Sunday 15 March 2020 and from 5:30pm on Saturday 14 March 2020 to 5pm on Monday 16 March 2020 have been added.

  141. Planned downtime changed from 11:59pm on Sunday 23 February 2020 to 6am on Monday 24 February 2020 to 11:59pm on Saturday 22 February 2020 to 6am on Sunday 23 February 2020.

  142. Planned downtime messages from 11:59pm on Sunday 23 February 2020 to 6am on Monday 24 February 2020 and from 8am to 6pm on Monday 24 February 2020 have been added.

  143. The service to submit 'Making Tax Digital VAT Returns' is now fully available.

  144. A service issue about submitting Making Tax Digital VAT returns has been added.

  145. Planned downtime from 11:59pm on Saturday 15 February 2020 to 3am on Sunday 16 February 2020 has been added.

  146. The service issue about accessing the system has now been fixed.

  147. Intermittent service issues has been added.

  148. This service is now available.

  149. The 'Use software to send Income Tax updates' service is currently unavailable.

  150. Planned downtime from 11:59pm on Saturday 11 January to 2am on Sunday 12 January 2020 has been cancelled.

  151. The use software to send Income Tax updates service is now available.

  152. The use software to send Income Tax updates service is currently unavailable. Check the service availability page for updates.

  153. Planned down time message from midnight to 2am on Sunday 12 January 2020 has been added.

  154. This service is now available.

  155. The use software to send income tax updates service is currently unavailable. Check the service availability page for updates.

  156. Planned downtime from 4:30pm on Friday 13 December 2019 to 5pm on Monday 16 December 2019 has been added.

  157. Planned downtime for Tuesday 19 November 2019 from 6am to 7am has been added.

  158. Planned downtime for 11:59pm on Saturday 16 November 2019 to 2am on Sunday 17 November 2019 has been added.

  159. The 'Intermittent issues' service issue has now been removed.

  160. A service issue for 'Intermittent issues' has been added.

  161. Planned down time message from midnight to 8am on Sunday 13 October 2019 has been added.

  162. You may experience issues on Saturday 14 September from 4:30pm to 5:30pm. This service will be unavailable from midnight to 2am on Sunday 15 September. Information about these issues has been added.

  163. A service issue message about scheduled maintenance on 'Sunday 15 September from midnight to 2am' has been added.

  164. You will be unable to use the submission service from 9am to 5pm on Thursday 1 August 2019. Information about this issue has been added.

  165. Planned down time from 8pm on Saturday 13 July 2019 to 2am on Sunday 14 July 2019 has been added.

  166. You will not be able to use this service from 7:30pm to 8:30pm on Saturday 13 July 2019 and from midnight to 2am on Sunday 14 July 2019. Information about this issue has been added.

  167. Planned downtime starting on Saturday 22 June 2019 11:59pm will now end at 5am on Sunday 23 June 2019.

  168. Planned down time from midnight to 3am on Sunday 23 June 2019 has been added.

  169. Planned down time from 11:30pm on Saturday 8 June 2019 to 10:30am on Sunday 9 June 2019, and from 11:30pm on Saturday 15 June 2019 to 10:30am on Sunday 16 June 2019 has been added.

  170. Planned downtime for Monday 3 June 2019 at 8:30am to 9am on Tuesday 4 June 2019 has been added.

  171. Planned downtime from Thursday 16 May 2019 10pm to midnight has been added.

  172. A service issue has been added for submitting an income tax return and viewing information through your HMRC Online Services account on Saturday 11 May 2019.

  173. The planned downtime has been changed to start from 9am on Thursday 2 May 2019 to 10am on Friday 3 May 2019.

  174. Planned downtime from Thursday 2 May 2019 10am to 10am on Friday 3 May 2019 has been added.

  175. You'll be unable to use this service from midday on 14 January 2019 to 11:30am on 16 January 2019. Information about this issue has been added.

  176. Service issue for Thursday 8 November 2018 from 6pm to 11pm has been added.

  177. Planned downtime for Tuesday 6 November 2018 has been added.

  178. Planned downtime from Friday 19 October 2018 9am to 11:59pm on Tuesday 23 October 2018 has been added.

  179. Planned downtime for Friday 19 October 2018 to Tuesday 23 October 2018 has been

  180. Planned downtime for Friday 19 October 2018 to Wednesday 24 October 2018 has been added.

  181. First published.

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