HMRC is committed to providing Online Services that are secure and reliable. To achieve this there are periodic upgrades and maintenance and some Online Services might be unavailable during these times.
Corporation Tax
Full service available except where indicated below
Tuesday 28 April 22:00 – Wednesday 29 April 06:00
Due to planned maintenance you will be unable to access their online service between 22:00 on Tuesday 28 April and 06:00 on Wednesday 29 April.
Self-Assessment
Full service available except where indicated below
Tuesday 28 April 22:00 – Wednesday 29 April 06:00
Due to planned maintenance you will be unable to access our online service between 22:00 on Tuesday 28 April and 06:00 on Wednesday 29 April.
For more information please click here.
