The no form of the customer command removes a customer ID and all associated information. All service references to the customer must be shut down and deleted before a customer account can be deleted.
config>service# no customer customer-idconfig>service# epipe 5 customer 27 shutdown
config>service# epipe 9 customer 27 shutdown
config>service# no epipe 5
config>service# no epipe 9
config>service# no customer 27