Question to the HM Treasury:

To ask the Chancellor of the Exchequer, what the longest waiting time was for people trying to contact HMRC by telephone on 5 December 2023.

HMRC publishes its performance data on a monthly and quarterly basis as below:

https://www.gov.uk/government/collections/hmrc-monthly-performance-reports

https://www.gov.uk/government/collections/hmrc-quarterly-performance-updates