The Secretary of State must issue a code of practice giving guidance about the exercise of their functions under this Part to—
The Secretary of State may revise the code from time to time.
The Secretary of State must publish the current version of the code.
The persons listed in subsection (1) must have regard to the code in exercising their functions under this Part.
Those who exercise functions for the purpose of the exercise by those persons of functions under this Part must also have regard to the code.
The First-tier Tribunal must have regard to any provision of the code that appears to it to be relevant to a question arising on an appeal under this Part.