Exempted classes of persons
2.—(1)  The classes of persons specified in the Schedule and their wives and dependent children are hereby exempted from section 6(1) of the Act:
Provided that this paragraph shall not apply to any person who is in the opinion of the Controller permanently resident in Singapore.
(2)  For the purposes of this paragraph a person shall be regarded as permanently resident in Singapore if he is not subject to any restriction as to his period of residence imposed under the Immigration Act.
(3)  The exemption conferred by this paragraph shall be subject to regulation 39 of the Immigration Regulations [Rg 1].