A unit issued by and held in the Verra Registry representing the right of an accountholder in whose account the unit is recorded to claim the achievement of a GHG emission reduction or removal in an amount of one (1) metric tonne of CO2 equivalent that has been verified by a validation/verification body in accordance with the VCS Program rules. Recordation of a VCU in the account of the holder at the Verra Registry is prima facie evidence of that holder’s entitlement to that VCU.