Closure of registry of certain tugs, barges and ships
4.  The registry of a tug or a barge, or a ship of less than 1,600 gross tons and owned wholly or partly by —
(a)a local company shall be closed if all or a majority of the shares in the company or its holding company, if any, are; or
(b)a citizen of Singapore shall be closed if any share in the tug or barge or ship is,
transferred to a person who is not a citizen of Singapore or another local company.