EBU Single Rulebook Q&A 7 August 2019 2019_4856 Type of accounts accessible through common and secure communication

Should credit lines (namely “credit cards accounts”), accessible online, be available to Account Information Service Provider (AISP), Payment Initiation Service Provider (PISP) and Card Based Payment Instrument Issuer (CBPII)? According to number 4 of the annex to PSD2, it is possible to execute payment transactions where the funds are covered by a credit line for a PSU.