EPP query response codes

Code	Status
1000	Command completed successfully
1001	Command completed successfully; action pending
1300	Command completed successfully; no messages
1301	Command completed successfully; ack to dequeue
1500	Command completed successfully; ending session
2000	Unknown command
2001	Command syntax error
2002	Command use error
2003	Required parameter missing
2004	Parameter value range error
2005	Parameter value syntax error
2100	Unimplemented protocol version
2101	Unimplemented command
2102	Unimplemented option
2103	Unimplemented extension
2104	Billing failure
2105	Object is not eligible for renewal
2106	Object is not eligible for transfer
2200	Authentication error
2201	Authorization error
2202	Invalid authorization information
2300	Object pending transfer
2301	Object not pending transfer
2302	Object exists
2303	Object does not exist
2304	Object status prohibits operation
2305	Object association prohibits operation
2306	Parameter value policy error
2307	Unimplemented object service
2308	Data management policy violation
2400	Command failed
2500	Command failed; server closing connection
2501	Authentication error; server closing connection
2502	Session limit exceeded; server closing connection