Dismissal of a preliminary injunction claim in a writ of mandamus seeking to compel the Harbor Master of Western Amazonia to comply with an arbitral interim relief decision. "The respondent authority was not bound to comply with the prejudgment attachment order issued by the arbitral tribunal, as it lacked the legal capacity to produce effects" because it was devoid of imperium, given that enforcement of the measure had not been requested from the judiciary, as required by Article 22, §4º: