The Information Commissioner is the UK’s national supervisory authority as required by Article 28 of the Data Protection Directive and as such is responsible for enforcement of the DPA. According to the DPA the Information Commissioner has the following enforcement powers:
to carry out assessments, which is exercisable only after the Information Commissioner has received a request from another person, meaning that the Information Commissioner may not carry out an assessment of their own volition;
to serve information notices, special information notices and enforcement notices;
to inspect premises and seize property;
to commence court proceedings;
to issue authorizations for transborder data flows.