5. Exemptions

Sections 3 and 4 shall not apply to any permission which relates to —

the change of use of any existing building;

the making of alterations or additions to any existing building;

any temporary dwelling;

any housing development involving not more than 4 residential units;

land subdivision of completed developments; and

all developments on land leased from the Government or any statutory body under a lease which contains an absolute prohibition against assignment of the lease.