Please find outages planned  from 8am on Saturday 24th May 2025 with services restored for start of business at 7am on Monday 26th May 2025 as follows:
From 8am on Saturday 24th May till 7am on Monday 26th May, we'll be completing planned maintenance to many of our online services. 
This means that some of our online services (listed below) may either be partially or fully unavailable during this time.  
We apologise for any inconvenience this may cause. For more information, please visit HMRC service availability and issues - GOV.UK (www.gov.uk) 
•    Annual Tax Summary
•    SSTTP Online Payments
•    SA Pre-pop APIs
•    National Insurance API
•    Online Tax Returns for Self-Assessment 
•    PAYE Filing
•    PAYE MOV
•    Identity Verification Questions
•    Plastic Packaging Tax 
•    Online Agent Authorisation
•    Notice Viewer messages
•    Shortforms
•    Enrolment and Agent Client Databases (EACD)
•    SA Filing 23/24 & 24/25
•    CT Core
•    CIS Filing
•    CIS Core
•    PAYE EXB
•    PAYE Core
•    Economic Crime Levy (ECL)
•    Pillar 2
•    Notice Viewer
•    Replicating API Transaction Engine (RATE)
Thank you.