Artikel 133 Constitutie van de Postunie van de Staten van het Amerikaanse Werelddeel, Spanje en Portugal

Article 133 Payment of Contributions 1 Member countries or territories shall be promptly notified of the budget approved by the Council for purposes of the payment of their respective contributions under this budget. The invoice for these contributions shall be sent before December 31 of the year prior to the year of the budget, accompanied by a copy of the approved budget. Payment shall be made before June 30 of the year to which the budget applies. 2 Any and all payments in arrears after the date indicated in paragraph 1 above shall accrue interest at the rate of 3% per annum, starting from June 30.