Contents 1 Introduction 1 2 Roles and Responsibilities 1 2.1 Mandatory Roles 1 a Authorised Examiner Designated Manager (AEDM) 1 b Site Manager (SM) 2 c Personnel Manager (PM) 2 d Nominated Tester (NT) 2 e Quality Control (QC) 2 2.2 Non-mandatory Roles 2 a Account management (ACM) 2 b AE Delegate (AED) 2 c VTS Site Admin (SA) 2 d Trained Person (TP) 3 3 How to Organise Roles Within an Authorisation 3 a   Sole Trader or partnership with one VTS 3 b   Sole trader or partnership with more than one VTS 3 c   Companies 3 d   Designated Councils 3 4 VTS Testing Scheme Rules Controlled by the System 4 4.1 Equipment Calibration 4 a Why Used 4 b When Used c   Warnings Given d   Action to Restore Testing Rights 5 Fallback and Fallback Review Procedures 5 6 MOT Computerisation System Security 5 7 Complaints about the MOT Computerisation System 6 System Rules and User Roles M The MOT Testing Guide Issue Date September 2010 4 4 5