a0d929ca_WSRP_v2_0_Specification__Statement_text
[#] CS082 [Section] 5.5 [Statement text] 
If at any time the Producer throws a fault message (InvalidCookie) indicating the supplied cookie has been invalidated at the Producer, then the Consumer MUST again invoke initCookie and SHOULD reprocess the invocation that caused the fault message to be thrown and include any data that may have been stored in a session related to a cookie.
WSRP v2.0 Specification
Statement text