“1. Freedom of movement for workers shall be secured within the Union. 2. Such freedom of movement shall entail the abolition of any discrimination based on nationality between workers of the Member States as regards employment, remuneration and other conditions of work and employment. 3. It shall entail the right,subject to limitations justified on grounds of public policy, public security or public health:(a) to accept offers of employment actually made;(b) to move freely within the territory of Member States for this purpose;(c) to stay in a Member State for the purpose of employment in accordance with the provisions governing the employment of nationals of that State laid down by law, regulation or administrative action;(d) to remain in the territory of a Member State after having been employed in that State, subject to conditions which shall be embodied in regulations to be drawn up by the Commission.”
“Article 27General Principles1. Subject to the provisions of this Chapter, Member States may restrict the freedom of movement and residence of Union citizens and their family members, irrespective of nationality, on grounds of public policy, public security or public health. These grounds shall not be invoked to serve economic ends.2. Measures taken on grounds of public policy or public security shall comply with the principle of proportionalityand shall be based exclusively on the personal conduct of the individual concerned. Previous criminal convictions shall not in themselves constitute grounds for taking such measures. The personal conduct of the individual concerned must represent a genuine, present and sufficiently serious threat affecting one of the fundamental interests of society. Justifications that are isolated from the particulars of the case or that rely on consideration of general prevention shall not be accepted.”
“Article 28Protection against expulsion1. Before taking an expulsion decision on grounds of public policy or public security, the host Member State shall take account of considerations such as how long the individual concerned has resided on its territory, his/her age, state of health, family and economic situation, social and cultural integration into the host Member State and the extent of his/her links with the country of origin...”
“Article 31Procedural safeguards1. The persons concerned shall have access to judicial and, where appropriate, administrative redress procedures in the host Member State to appeal against or seek review of any decision taken against them on the grounds of public policy, public security or public health.2 Where the application for appeal against or judicial review of the expulsion decision is accompanied by an application for an interim order to suspend enforcement of that decision, actual removal from the territory may not take place until such time as the decision on the interim order has been taken, except:- where the expulsion decision is based on a previous judicial decision; or- where the persons concerned have had previous access to judicial review; or-where the expulsion decision is based on imperative grounds of public security under Article 28(3).3. The redress procedures shall allow for an examination of the legality of the decision, as well as of the facts and circumstances on which the proposed measure is based. They shall ensure that the decision is not disproportionate, particularly in view of the requirements laid down in Article 28.4. Member States may exclude the individual concerned from their territory pending the redress procedure, but they may not prevent the individual from submitting his/her defence in person, except when his/her appearance may cause serous troubles to public policy or public security or when the appeal or judicial review concerns a denial of entry to the territory.”
“… (2) Where notice has been given to a person in accordance with regulations undersection 105 of the Nationality, Immigration and Asylum Act 2002 (notice of decision)] of a decision to make a deportation order against him, [and he is not detained in pursuance of the sentence or order of a court], he may be detained under the authority of the Secretary of State pending the making of the deportation order. (3) Where a deportation order is in force against any person, he may be detained under the authority of the Secretary of State pending his removal or departure from the United Kingdom (and if already detained by virtue of sub-paragraph (1) or (2) above when the order is made, shall continue to be detained unless he is released on bail or the Secretary of State directs otherwise). … (5) A person to whom this sub-paragraph applies shall be subject to such restrictions as to residence, as to his employment or occupation] and as to reporting to the police or an immigration officer] as may from time to time be notified to him in writing by the Secretary of State. (6) The person to whom sub-paragraph (5) above applies are- …; and (c) a person liable to be detained under sub-paragraph (2) or (3) above, while he is not so detained.”” (c) a person liable to be detained under sub-paragraph (2) or (3) above, while he is not so detained.””