The Clock: 28 May 2025

The Clock newsletter provides participants with updates and key information to support delivery of the MHHS Programme. The Clock will signpost you to events, plans, reports and documents to assist in planning, design, development, testing and delivery.

In this issue of The Clock we update you on:

• Programme News
  
  • Data Transfer Catalogue (DTC) Access Database released to support Systems Integration Testing (SIT) Regression Testing  
• Participant Checklist
  
  • REMINDER: Programme Participant Information Request (PPIR): MHHS Migration Supplier Agent and Software Provider 
  • REMINDER: Participant Cutover Plans 
  • REMINDER: Data Cleanse activities and deadlines 
  • NEW! Elexon Helix Supplier of Last Resort (SoLR) Consultation   
  • REMINDER: Migration Supplier Submission Round 2 
  • NEW! Kestrel Validation Rules update and Migration Submission Guide published  
• MHHS Qualification Updates
  
  • REMINDER: Qualification Approach and Plan and Annex 2 Consultation 
  • REMINDER: Non-Systems Integration Testing (SIT) Supplier & Agent Qualification Testing Test Scenarios and Test Cases: Functional Batches 1-3 Consultation 
  • REMINDER: Legacy Settlement Arrangements Management Letters  
  • NEW! End-to-End Sandbox Test Data Approach & Plan Consultation   
  • REMINDER: Final Qualification Assessment Document (QAD) submissions for SIT participants taking the ‘M11-Ready’ and ‘Not M11-Ready’ Qualification Pathways 
  • NEW! Pre-Integration Testing (PIT) Requirements to Test Traceability Matrix (RTTM) submission for Wave 2 participants  
  • REMINDER: Initial QAD Submission for Wave 1 participants 
  • NEW! Initial QAD for Wave 2 participants  
  • NEW! Non-SIT Supplier & Agent Qualification Test Data Approach and Plan, and Qualification Testing (QT) Test Scenarios and Cases approved 
• Upcoming events
  
  • Upcoming Governance Meetings 
  • Programme Steering Group (PSG): 4 June 2025 
• What happened last week?
  
  • Systems Integration Testing Advisory Group (SITAG): 21 May 2025  
  • Qualification Advisory Group (QAG): 22 May 2025  
• Code Bodies Update
  
  • REMINDER: Industry Standing Data (ISD) changes at MHHS Programme Milestone 10 (M10) 

The Clock

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