ISDA’s response to the Derivatives Service Bureau (DSB) Consultation Papers on the UPI Fee Model: ‘Industry Views Sought on the Principles Underlying the Fee Model for the Unique Product Identifier Service, submitted 5 March 2021; and Consultation Paper 2 ‘Follow up Proposals on the Principles Underlying the Fee Model for the Unique Product Identifier (UPI) Service – based on Industry Feedback to First Consultation Paper’, submitted 9 July 2021.