https://www.bankofengland.co.uk/financial-stability-paper/2009/a-risk-based-methodology-for-payments-systems-oversight
A Risk-Based Methodology for Payment Systems Oversight | Bank of England
The Bank of England has developed a risk-based methodology to support its oversight of payment systems.
payment systems oversightriskbasedmethodology
https://www.ecb.europa.eu/press/pr/date/2012/html/pr121129.mt.html
Oversight expectations for links between retail payment systems
Nov 29, 2012 - Oversight expectations for links between retail payment systems
retail paymentoversightexpectationslinkssystems
https://www.ecb.europa.eu/press/pr/date/2003/html/pr030626_3.en.html
Oversight standards for euro retail payment systems
Jun 26, 2003 - Oversight standards for euro retail payment systems
retail paymentoversightstandardseurosystems