The Department for Transport’s revised Authorisation 476 took effect on 1 September 2026. Revision 11 defers the need for a valid ADR 1(C) inspection certificate when specified new vehicles and mobile explosives manufacturing units (MEMUs) first enter service.
The authorisation applies to qualifying EX, FL and AT vehicles and MEMUs used on roads in Great Britain. It runs until 31 August 2027 unless it is revoked or superseded. The DfT’s publication history records that the previous extension expired on 31 August 2026.
The relief applies only until the vehicle’s or MEMU’s first roadworthiness certificate is due under the relevant testing regulations. It is therefore a time-limited arrangement for eligible new equipment, not a permanent removal of the initial inspection requirement.
To fall within the authorisation, the covered vehicle or MEMU must have the required ADR type approval. The validity of that approval is not affected by modification. Where applicable, the equipment must also have the relevant tank type-approval and inspection certification.
The manufacturer or import concessionaire must issue a declaration of conformity in the format required by the Driver and Vehicle Standards Agency (DVSA). That declaration must cover the applicable ADR Part 9 requirements.
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DVSA must confirm that it has accepted the declaration. The DVSA acceptance confirmation and a copy of Authorisation 476 must accompany the vehicle or MEMU at all times while it is being operated under the arrangement.
The authorisation does not suspend the wider rules governing dangerous goods. All other requirements of the Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations 2009 remain applicable.
The notice is confined to carriage by road in Great Britain. Operators therefore need to establish that the relevant ADR type approval, any applicable tank approval and inspection certification, the required declaration of conformity, and DVSA’s acceptance confirmation are in place. The deferral ends when the first roadworthiness certificate becomes due under the relevant testing regulations.
Authorisation 476 revision 11 consequently provides a defined, temporary deferral for specified new EX, FL and AT vehicles and MEMUs. It does not create a general exemption from dangerous-goods compliance duties, type-approval requirements or the other obligations that continue to apply under the 2009 regulations.
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