• MP NI 1 – Change of Supplier Non-Interval Credit_v3.2
• MP NI 2 – Change of Supplier Interval_v3.1
• MP NI 11 – Changes to Meter Configuration_v3.1
• MP NI 12 – Meter Problems and Damage, Enquiries and Complaints_v3.1
• MP NI 25 – Change of Legal Entity_v3.1
• MP NI 37 – Change of Supplier Keypad_v3.2
• NI Market Message Implementation Guide – Meter Works_v3.1
• NI Market Message Implementation Guide – Meter Registration_v3.3
• MG NI 34 – DUoS Transaction and PSO Billing_v3.2
• MG NI 34a – DUoS Business Specification_v3.1
• MG NI 41 – Fieldwork Types, Charges and Delivery Time Targets_v3.2
• MP NI 506 - MEP Ability Testing_v2.0
• MP NI 507 – MEP Market Testing Procedure_v2.0