The Court of Session has jurisdiction to entertain an action for the dissolution of a civil partnership or for separation of civil partners if (and only if) either civil partner—
The sheriff has jurisdiction to entertain an action for the dissolution of a civil partnership or for separation of civil partners if (and only if) the requirements of paragraph (a) or (b) of subsection (1) are met and either civil partner—
The Court of Session has jurisdiction to entertain an action for declarator of nullity of a civil partnership if (and only if)—
The sheriff has jurisdiction to entertain an action for declarator of nullity of a civil partnership if (and only if)—
At any time when proceedings are pending in respect of which a court has jurisdiction by virtue of any of subsections (1) to (3A) (or this subsection) it also has jurisdiction to entertain other proceedings, in respect of the same civil partnership (or ostensible civil partnership), for dissolution, separation or ... declarator of nullity, even though that jurisdiction would not be exercisable under any of subsections (1) to (3A).