Had a DVSA Desk-Based
Assessment letter?
Here's what happens next.

What a DBAQ actually is

A Desk-Based Assessment Questionnaire (DBAQ) is DVSA's way of assessing your operator compliance remotely, without a physical site visit. It usually arrives after a 14-day notice letter from the Office of the Traffic Commissioner, followed by the DVSA request itself — a detailed questionnaire, commonly referred to as the REO1 form, asking you to describe your compliance systems and submit the records that back them up.

Unlike a roadside check or an on-site audit, DVSA never see your operation directly. The entire assessment is built on what you send them. That makes the quality, organisation and completeness of your response the whole case — there's no opportunity to explain something verbally that isn't clear on paper.

What DVSA are actually asking for

DVSA want two different things, and conflating them is the single most common reason a response falls short: your systems — the policies, procedures and planners that describe what's supposed to happen — and your evidence — the records that prove it actually did. A written maintenance policy with no PMI sheets behind it proves nothing. Completed PMI sheets with no policy behind them raise the question of whether it's a one-off or a real system.

• Vehicle maintenance records — inspection schedules, completed PMI sheets held for at least the required 15 months, and evidence that defects were actually rectified, not just noted.
• Driver compliance systems — tachograph and Working Time Directive analysis, debrief logs, and driving licence checks.
• Management oversight — evidence that your systems are actively managed, not left to run themselves: signed training records, and evidence that non-compliance (a driver, or a maintenance provider) was actually acted on rather than just noted.
• Subcontractor and maintenance provider checks — if someone else does your PMIs or repairs, DVSA expect to see that their work is being checked, not just trusted.

What happens if the response is inadequate

This is where it gets serious. An incomplete, late, or poorly evidenced DBAQ response doesn't just get a polite follow-up request — it escalates. That typically means one of:

• A site visit from a DVSA examiner, with far less notice than the desk-based process gave you
• A direct referral to the Traffic Commissioner's office
• A call-up letter to a Public Inquiry, where licence revocation, suspension, and loss of good repute are all on the table

Most operators who end up at Public Inquiry didn't get there from one dramatic failure — they got there because a DBAQ response was rushed, incomplete, or didn't tell DVSA the full story their records could actually support.

Why the response matters more than people think

The most common mistakes aren't about compliance itself — they're about how the case is presented. Records submitted with no context, evidence that doesn't map clearly to what was asked, gaps left unexplained instead of addressed. DVSA aren't required to fill in the blanks generously. If it's not clearly evidenced, it's treated as not happening.

That's exactly why a properly prepared response — organised, cross-referenced, and submitted within the deadline — can be the difference between the matter closing at this stage, or a Public Inquiry call-up letter landing a few weeks later.