6. The legislative framework.

The principal enactment regulating entry into and stay in the United Kingdom1 is the Immigration Act 19712. This Act and the Immigration Rules3 together state the general principles on which the system of immigration control is based and set out a cohesive scheme for the assessment and consideration of applications for leave to enter and remain in the United Kingdom. There are also a number of supplementary enactments4. The legislation is applicable throughout the United Kingdom5, and extends, or may be extended, to the Channel Islands and the Isle of Man