SWIFT ISO 15022 - Code UNSP Meanings Unspecified: Price is not required to be specified by account owner. Unspecified: Price is unspecified. Usages Message type Field number Tag MT564 (Corporate Action Notification) 85 90a (Price) MT564 (Corporate Action Notification) 96 90a (Price) MT565 (Corporate Action Instruction) 45 90a (Price)