The use of electronic signatures under the law of England and Wales is regulated by the Electronic Communications Act 2000 (ECA 2000), the Electronic Identification and Trust Services for Electronic Transactions Regulations 2016, SI 2016/696, the Retained Regulation (EU) 910/2014 on electronic identification and trust services for electronic transactions in the internal market (the UK eIDAS regulation, as amended by the Electronic Identification and Trust Services for Electronic Transactions (Amendment etc) (EU Exit) Regulations 2019, SI 2019/89 following the UK’s withdrawal from the EU) and case law. ECA 2000, s 7(1) provides that: 'In any legal proceedings, an electronic signature incorporated into or logically associated with a particular electronic communication or particular electronic data, and the certification by any person of such a signature, shall be admissible in evidence in relation to any question as to the authenticity of the communication or data or as to the