#hmrc

Why the test app exists The Transit Test Application is HMRC's trader-facing sandbox. It...

What the procedure code controls The procedure code tells HMRC what is happening to the...

The weakest point in an SDP workflow is the handoff. Data collected at the frontier has to reappear,...

Two ways to clear goods, two very different profiles. Full declaration: one step. You submit...

The pattern behind recurring mistakes Look closely at customs errors that keep coming back...

If you've built against HMRC's Making Tax Digital APIs, you've seen the phrase "Fraud Prevention...

Rolling out SDP is a sequenced job. Each step depends on the one before, so order matters. Check...

Every long-running system eventually reaches its limits. The UK's CHIEF customs platform ran for...

A pre-lodged declaration is a customs entry submitted to CDS before the goods physically arrive in...

A rejection is different from a query. It means HMRC has refused the entry outright, and it needs to...

Some delays are unavoidable, but most come down to a handful of repeat issues that are easy to catch...

If you've ever integrated with more than one UK government API, you already know the pain: each one...