Deprivation of citizenship
129.—(1)  A citizen of Singapore who is a citizen by registration or by naturalisation shall cease to be such a citizen if he is deprived of his citizenship by an order of the Government made in accordance with this Article.
(2)  The Government may, by order, deprive any such citizen of his citizenship if the Government is satisfied that the registration or the certificate of naturalisation —
(a)was obtained by means of fraud, false representation or the concealment of any material fact; or
(b)was effected or granted by mistake.
(3)  The Government may, by order, deprive of his citizenship —
(a)any person who is a citizen of Singapore by naturalisation if the Government is satisfied —
(i)that he has shown himself by act or speech to be disloyal or disaffected towards Singapore; or
(ii)that he has, during any war in which Singapore is or was engaged, unlawfully traded or communicated with an enemy or been engaged in or associated with any business which to his knowledge was carried on in such manner as to assist an enemy in that war; or
(b)any citizen of Singapore by registration or by naturalisation if the Government is satisfied —
(i)that he has, within the period of 5 years after registration or naturalisation, been sentenced in any country to imprisonment for a term of not less than one year or to a fine of not less than $5,000 or the equivalent in the currency of that country, and has not received a free pardon in respect of the offence for which he was so sentenced; or
(ii)that he has, at any time after registration or naturalisation, been engaged in any activities which are prejudicial to the security of Singapore, or the maintenance of public order therein, or the maintenance therein of essential services, or in any criminal activities which are prejudicial to the interests of public safety, peace or good order.
(4)  The Government may, by order, deprive of his citizenship any person who is a citizen of Singapore by naturalisation if the Government is satisfied that, without the Government’s approval, he has accepted, served in or performed the duties of any office, post or employment under the government of any foreign country or any political subdivision thereof, or under any agency of such a government, in any case where an oath, affirmation or declaration of allegiance is required in respect of the office, post or employment:
Provided that a person shall not be deprived of his citizenship under this clause by reason of anything done before the commencement of this Constitution notwithstanding that he was at the time a citizen of Singapore.
(5)  The Government may, by order, deprive of his citizenship any person who is a citizen of Singapore by naturalisation if the Government is satisfied that he has been ordinarily resident in foreign countries for a continuous period of 5 years and during that period has neither —
(a)been at any time in the service of Singapore or of an international organisation of which the Government was a member; nor
(b)registered annually at a consulate of Singapore his intention to retain his citizenship.
(6)  The Government may, by order, deprive of her citizenship any woman who is a citizen of Singapore by registration under Article 123(2) if the Government is satisfied that the marriage by virtue of which she was registered has been dissolved, otherwise than by death, within the period of 2 years beginning with the date of the marriage.
(7)  No person shall be deprived of his citizenship under this Article or under Article 130 unless the Government is satisfied that it is not conducive to the public good that that person should continue to be a citizen of Singapore; and no person shall be deprived of his citizenship under clause (2)(b) or clause (3)(a) or (b)(i) or under clause (4) or (5) or under Article 130 if the Government is satisfied that as a result of the deprivation he would not be a citizen of any country.