put
https://{server_address}/ResourceServer/api/v10/Account/Contract//EarlyTermination
A PUT allows an EarlyTermination date to be set with the options to add an EarlyTerminationComment and or a Termination_AccountContractStatusTypeID. A DELETE clears the EarlyTermination date and EarlyTerminationComment fields on the AccountContract. NOTE: earlyTerminationComment and terminationAccountContractStatusType are optional.
