(1) The term of registration of a design is:
(a) 5 years from the filing date of the design application in which the design was first disclosed; or
(b) if the registration of the design is renewed under section 47-- 10 years from the filing date of the design application in which the design was first disclosed.
(2) If a design has been excluded from an initial application (see section 23), the design application in which the design was first disclosed is taken, for the purposes of subsection (1), to be the initial application.