The setup for the CRU policy is identical to the Carbon Emission Measurement - GHG Corporate Standard policy, please refer to here, except for the below steps:
Setup project
Login as StandardRegistry user
Open CRU policy
Enter project information
Sending MRV
We use a similar method to sending MRV as the Carbon Emission policy here. Please note that the MRV schema is not the same. The cru payload will look like the below example: