Currently, the likelihood of international agreements being implemented by an executive agreement is ten times higher. Despite the relative simplification of executive agreements, the President still often chooses to continue the formal process of concluding an executive agreement in order to gain congressional support on issues that require Congress to pass appropriate enforcement laws or means, as well as agreements that impose complex long-term legal obligations on the United States. For example, the agreement of the United States, Iran and other countries is not a treaty. The separation between the two is often unclear and is often politicized in disagreements within a government over a treaty, because a treaty cannot be implemented without a proper change in national legislation. When a treaty requires laws of application, a state may be late in its obligations if its legislator does not pass the necessary national laws. In practice, for reasons of sovereignty, each state can at any time claim to withdraw from any treaty and no longer respect its conditions. Whether this is legal can be seen as a success or an inability to anticipate the tolerance or application of the Community, i.e. how other States will react; For example, another state could impose sanctions or go to war for an offence. A party`s consent to a contract is void if it has been issued by an agent or entity without the power to do so in accordance with the national laws of that state. States are reluctant to investigate the internal affairs and processes of other states and, therefore, a „clear violation“ is necessary, so it „would be objectively obvious to any state dealing with the issue.“ At the international level, there is a strong presumption that a head of state has acted within his own authority. It seems that no contract has ever really been cancelled.[Citation required] Brazil`s Federal Constitution stipulates that the power to enter into contracts is vested in the President of Brazil and that such contracts must be approved by the Brazilian Congress (Article 84, Clause VIII and Clause 49, Clause I). In practice, this has been interpreted to mean that the executive is free to negotiate and sign a treaty, but that its ratification by the President requires prior congressional approval. In addition, the Federal Supreme Court has ruled that after ratification and entry into force, a treaty must be enshrined in national law by a presidential decree issued in the Federal Register for it to be valid in Brazil and applicable by the Brazilian authorities. On December 10, 2019, the First Victorian People`s Assembly met for the first time in the House of Lords of victoria Parliament in Melbourne. The main objective of the Assembly is to develop the rules under which individual agreements are negotiated between the Victorian government and some Victorian Aborigines.