Each government - according to its constitutional procedures - retains the power to decide whether and how to cooperate".
This was a constitutional procedure without precedent in British history.
There is also a special constitutional procedure allowing the passage of the bill without the separate agreement of both houses.
"We hope that the constitutional procedures to form a new government will soon be completed," the foreign ministers, meeting here, said in a statement.
We have a parliament which has approved the scheme and anyone who objects to it should follow the regular constitutional procedures.
"But it does appear that there is at least one path to a constitutional procedure."
The resultant agreement and its implementation followed strict constitutional procedure.
On the contrary, provision is made indirectly, not to say clearly, for referral to internal constitutional procedures.
This treaty shall be subject to ratification in accordance with the constitutional procedures of each party.
But he has also acquired a duty to respect the constitutional procedures that assured his victory.