Directive (EU) 2015/2366 of the European Parliament and of the Council of 25 November 2015- Sets forth the rules on payment services in the internal market, amending Directives 2002/65/EC, 2009/110/EC and 2013/36/EU and Regulation (EU) No 1093/2010, and repealing Directive 2007/64/EC.

Decree-Law No 91/2018 of 12 November 2018 - Approves the Legal Framework for Payment Services and Electronic Money. Transposes into Portuguese law Directive (EU) 2015/2366 of the European Parliament and of the Council of 25 November 2015 on payment services in the internal market (revised Payment Services Directive – PSD2).

Commission Delegated Regulation (EU) 2018/389 of 27 November 2017 - Supplements Directive (EU) 2015/2366 of the European Parliament and of the Council with regard to regulatory technical standards for strong customer authentication and common and secure open standards of communication.

Guidelines on the conditions to benefit from an exemption from the contingency mechanism under Article 33(6) of Regulation (EU) 2018/389 (regulatory technical standards on strong customer authentication and common and secure open standards of communication).

Instruction of Banco de Portugal No 01/2019 of 15 January 2019 (In Portuguese only) - Governs the obligation to report to Banco de Portugal major operational or security incidents, in compliance with the provisions of Article 71 of Decree-Law 91/2018 of 12 November 2018, which incorporated Article 96 of the PSD2 into the Portuguese law.

Circular Letter of the Banco de Portugal No CC/2020/00000045 of 9 July 2020 (in Portuguese only) – RJSPME – Compliance of dedicated interfaces made available by the ASPSP

Circular Letter of the Banco de Portugal No CC/2021/00000021 of 29 April 2021 (in Portuguese only) – RJSPME – Supervisory actions to ensure the removal of obstacles to the provision of services by third party payment service providers

Opinion on the transition from PSD1 to PSD2 (EBA-Op-2017-16) 

Opinion of the European Banking Authority on the implementation of the RTS on SCA and CSC (EBA-Op-2018-04)  

Opinion of the European Banking Authority on the use of eIDAS certificates under the RTS on SCA and CSC (EBA-Op-2018-7)  

Opinion on the elements of strong customer authentication under PSD2 (EBA-Op-2019-06) 

Opinion on the deadline for the migration to SCA for e-commerce card-based payment transactions (EBA-Op-2019-11)

Opinion of the European Banking Authority on obstacles under Article 32(3) of the RTS on SCA and CSC (EBA-Op-2020-10)

Opinion of the European Banking Authority on supervisory actions to ensure the removal of obstacles to account access under PSD2 (EBA/Op/2021/02)

European Banking Authority Q&A – PSD2