One Pump Court Chambers

This Practice Note provides an overview of the principles which the courts have adopted on the effect of changes of law or policy on individual cases. It considers the presumption against the retrospective effect of legislation, the legal effects of changing or withdrawing a policy and the principle of legitimate expectation (including some examples in the immigration context).

This Practice Note looks at the legal and practical consequences of the curtailment and cancellation of permission to enter and stay. It also outlines the ways in which curtailment and cancellation can be challenged.