Article 30 Treaties
This is one of the clearest early expressions of a key idea - when the King performs certain actions (in this case, create a treaty) the Assembly isn't then to approve it, but rather is challenged to disapprove it. As mentioned earlier, this is designed to maintain a strong Royal presence within the government.
Article 31 Emergency Powers
In a similar vein, the King's ability to declare emergencies is automatic with the Assembly's approval only needed after.