SWIFT ISO 15022 - Code TIER Meaning One-Tier Tax: One-tier tax. Usages Message type Field number Tag MT564 (Corporate Action Notification) 86 92a (Rate) MT564 (Corporate Action Notification) 95 92a (Rate) MT566 (Corporate Action Confirmation) 66 92a (Rate) MT566 (Corporate Action Confirmation) 85 92a (Rate)
