This message is sent by the collateral giver or its collateral manager to the collateral taker or its collateral manager to:
propose new collateral at the initiation of an exposure
propose additional collateral at variation of exposure
This message may or may not be sent as an answer to a collateral claim.
This message is also used by the giver to request the cancellation of a previously sent collateral proposal.
This message must not be used to initiate a substitution.
The message may also be used to:
re-send a message previously sent (Subfunction of the message is DUPL)
provide a third party with a copy of the message for information (Subfunction of the message is COPY)
re-send to a third party a copy of the message for information (Subfunction of the message is CODU).