In the interval which elapses between the meetings, any Postal Administration of a country of the Union has the right to address to the other Ad-ministrations belonging to it, through the intermediary of the International Bureau, proposals concerning the regimen of the Union. But to become executive these propositions must obtain, as follows:
1st. Unanimity of votes, if they involve a modification of the stipulations of Articles 2,3,4, 5, 6, and 9 preceding.
2d. Two-thirds of the votes, if they involve a modification of the stipulations of the Convention other than those of Articles 2, 3,4,5, 6, and 9.
3d. A simple absolute majority, if they involve the interpretation of the stipulations of the Convention, except in the case of dispute contemplated in Article 17 preceding.
The binding decisions are sanctioned, in the first two cases, by a diplomatic declaration, which the Government of the Swiss Confederation is charged to prepare and transmit to all the Governments of the contracting countries, and, in the third case, by a simple notification from the International Bureau to all the Administrations of the Union.