Proceeds of crime definition shapes asset attachment and international assistance under reciprocal arrangements procedural scope. Definitions set the scope for attachment, forfeiture and cross-border assistance: proceeds of crime covers property derived directly or indirectly from criminal activity; property includes all tangible and intangible assets and instruments evidencing title; identifying requires proof that property was derived from or used in an offence; tracing means determining an asset's nature, source, disposition, movement, title or ownership; and contracting State denotes a foreign country or place with which the Central Government has arrangements.