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How to apply for a clinical trial including eligibility, phases, model IMPDs, costs and how to make changes to your application.

• Updated: 27 August 2024

UK border control - passport checks, visas for entering, customs, transiting and layovers.

• Overview

  Your identity document (for example your passport or identity card) will…

• Before you leave for the UK

  Check what documents you’ll need to enter the UK. You’re a British citizen…

• At border control

  You’ll need to show your identity document, such as your passport or…

• Baggage checks

  You must co-operate if you’re stopped and asked about your baggage. If you…

• Layovers and transiting through a UK airport

  Passing through a UK airport while on the way to another country is called…

Apply for a transit visa if you stop at a UK airport on your way to another destination - types of visas, cost, documents, how to apply

• Overview

  You might need a visa to pass through the UK in transit (on your way to…

• If you're not going through border control (Direct Airside Transit visa)

  You might need a Direct Airside Transit visa if you: will be changing…

• If you're going through border control (Visitor in Transit visa)

  You might need a Visitor in Transit visa if you’re: changing flights in…

• Apply

  Apply online for a Direct Airside Transit visa or a Visitor in Transit…

Apply for a Global Talent visa to work in the arts, sciences or digital technology once you have been endorsed as a leader or potential leader.

How to use a quasi-experimental study to evaluate your digital health product.

• Updated: 8 September 2021

Apply for the Registered Traveller service to get through UK border control faster and without filling in a landing card

Change your protocol, update your authorisation, report safety issues, submit safety updates and complete your end-of-trial study report.

• Updated: 9 June 2025

How to use a before-and-after study to evaluate your digital health product.

• Updated: 30 January 2020

How VAT works, what VAT is charged on, VAT thresholds and VAT schemes.

Guide to licensing procedure and other restrictions for export of controlled dual-use items, software and technology, goods for torture and radioactive sources.

• Updated: 19 July 2023