 
 <prompt> Wetin dey show as pesin fit commot from agreement? Based on di last question, write small tori wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Treaties no dey always bind forever for the countries wey sign am. As obligations for international law dey usually come from the agreement of states, many treaties dey allow one state to commot as long as e follow certain procedures of notification. For example, the Single Convention on Narcotic Drugs talk say the treaty go end if, as people dey commot, the number of parties fall below 40. Many treaties dey forbid commot. Article 56 of the Vienna Convention on the Law of Treaties talk say if one treaty no talk whether e fit be commot or not, there dey a presumption say e no fit be commot unless: 