CPC Subgroup
G06Q 20/407 Full Title
Payment architectures, schemes or protocols (apparatus for performing or posting payment transactions G07F7/08, G07F19/00; electronic cash registers G07G1/12) > Payment protocols; Details thereof > Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists