Question to the HM Treasury:

To ask the Chancellor of the Exchequer, what steps HM Revenue and Customs takes to project the volume of calls to its call centres; what the average wait time was for callers to HM Revenue and Customs in June 2023; how any staff are scheduled to answer calls to the call centre during peak periods; and what the average number of calls in peak periods was in June 2023.

HMRC performance data is published on a monthly and quarterly basis and can be found here:

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

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