‘The Secretary of State or an immigration officer may by notice in writing require the person to state in writing: ‘(a) his reasons for wishing to enter or to remain in [the UK], (b) any grounds on which he should be permitted to enter or to remain in [the UK], and (c) any grounds on which he should not be removed from or required to leave [the UK].’
‘The manifest object in such cases is that a decision not to vary leave, which brings the section 3C extension to an end, should be accompanied or promptly followed by a decision on removal.’
‘the burden is on the [Secretary of State] to initiate the process of dealing with the two decisions together by an invitation to the applicant [for an extension to his or her leave to remain], at the time of a “one stop notice” is issued with the variation decision, to make submissions as to why removal should not follow the refusal to vary leave.’
‘[For the appellant applicants] (i) Notwithstanding the apparently permissive wording of section 120, the Secretary of State is under a duty to serve a section 120 notice on a claimant when making an immigration decision or within a reasonable time thereafter. (ii) Failure by the Secretary of State to serve a section 120 notice renders her immigration decision unlawful, and therefore “not in accordance with the law” within the meaning of sections 84 and 86. [For the respondent Secretary of State]: (i) Section 120 confers a power and a discretion on the Secretary of State, but not a duty. (ii) It follows that a failure to serve a section 120 notice cannot affect the lawfulness of an immigration decision.’
‘It must be borne in mind that the service of a notice under section 120 is in the discretion of the Secretary of State. He is not obliged to take that step. … [S]ervice of a notice under section 120 is entirely in the option of the Secretary of State. He can choose not to serve a notice.’
‘If an appellant is served with a section 120 notice he is given no choice in the matter: he must state any reasons he may have … . The Secretary of State is not required to elicit those reasons if he does not wish to do so. Section 120 provides that he “….may by notice in writing require…” a statement of additional grounds.’
“A removal decision unders. 47 of the Immigration, Asylum and Nationality Act 2006 cannot be made in respect of a person until written notice of the decision to refuse to vary that person’s leave to remain has been given to that person. The current practice of the Secretary of State to incorporate both decisions in a single notice is accordingly incompatible with the relevant legislation.”
“… section 47, far from mandating the practice described in the [Secretary of State’s] Guidance, that a decision under that section “should be included in the decision letter curtailing or refusing to vary leave”, in fact prevents such a practice. The section 47 decision can be taken only after the leave to enter or remain is extended by section 3C(2)(b) [of theImmigration Act 1971 ]; and that can happen only while an appeal against the decision regarding leave “could be brought”