These are both substantive treaties, defining particular offences and requiring their criminalization and the prosecution or extradition of offenders, as well as procedural conventions, dealing with extradition and other matters of legal cooperation between States.
其中包括实质性条约和程序性公约，前者界定各种罪行，要求将其定为犯法并引渡罪犯，后者规定引渡和国家间其他法律合作事项。