questionText: 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.
answerText: 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 
heading: Revenue and Customs: Telephone Services