Task: Instance Class Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following classes does 'IBAN registration authority' belong to as one valid explicit type? Context: ISO 13616:2007, International Bank Account Number (IBAN) Registration Authority (RA) and financial service provider, appointed by the International Standards Organization (ISO), that is the official registration authority (RA) for ISO 13616:2007, Financial services - International bank account number (IBAN)

A. family office
B. trader
C. legally delegated authority
D. financial service provider

Answer: financial service provider