Exemption for holder of work permit or employment pass
4.  Any person (not being a citizen or permanent resident of Singapore) who is the holder of a work permit or an employment pass issued under the Immigration Act (Cap. 133) shall be exempted from section 12 of the Act in respect of any vehicle not registered under the Act, if the following conditions are satisfied:
(a)he resides outside Singapore;
(b)he is the registered owner of the vehicle;
(c)there is in force in respect of the vehicle a vehicle entry permit;
(d)the vehicle is kept or used outside Singapore for an aggregate period of not less than 6 hours every day.