Many states and legal jurisdictions have adopted legislation concerning the validity and effects of electronic signatures, including cryptographic digital signatures. Article 7 of the United Nations Commission on International Trade Law's Model Law on Electronic Commerce addresses electronic signatures, providing wording intended to harmonise legal provisions in their field in order to promote international trade,UNCITRAL, UNCITRAL Model Law on Electronic Commerce with Guide to Enactment 1996, with additional article 5 bis as adopted in 1998, accessed on 4 June 2025 and the Commission's Model Law on Electronic Signatures (2001) is a strong influence in this field.UNCITRAL, Model Law on Electronic Signatures

Examples of legislation by state or jurisdiction include:

Argentina Ley Nº 25.506 (B.O. 14/12/2001). Decreto Nº 2628/02 (B.O. 20/12/2002). Decreto N° 724/06 (B.O. 13/06/06). Decisión Administrativa N° 927/14 (B.O. 03/11/14).

Bermuda eSignature technology and electronic document solutions

Brazil Medida provisória 2.200-2 (Portuguese) - Brazilian law states that any digital document is valid for the law if it is certified by ICP-Brasil (the official Brazilian PKI) or if it is certified by another PKI and the concerned parties agree as to the validity of the document.

Canada Under the Personal Information Protection and Electronic Documents Act 2000 (PIPEDA), Canadian law distinguishes between the generic "electronic signature" and a "secure electronic signature".Government of Canada Justice Laws Website, Personal Information Protection and Electronic Documents Act (S.C. 2000, c. 5), accessed on 7 June 2025 Federal secure electronic signature regulations make it clear that a secure electronic signature is a digital signature created and verified in a specific manner. Canada's Evidence Act contains evidentiary presumptions about both the integrity and validity of electronic documents with attached secure electronic signatures, and of the authenticity of the secure electronic signatures themselves.

China Electronic Signature Law of the People's Republic of China (Chinese/English) - The stated purposes include standardizing the conduct of electronic signatures, confirming the legal validity of electronic signatures and safeguarding the legal interests of parties involved in such matters. This law was revised on 23 April 2019 with immediate effect.http://www.npc.gov.cn/npc/xinwen/2019-05/07/content_2086835.htm 中华人民共和国电子签名法 (Chinese Only) The revision involves the deletion of the reference to land conveyancing transactions in Article 3, which provides for types of transaction exempted from the law. Accordingly, land conveyancing agreements can now be executed electronically.

Colombia LEY 527 DE 1999 (agosto 18) por medio de la cual se define y reglamenta el acceso y uso de los mensajes de datos, del comercio electrónico y de las firmas digitales, y se establecen las entidades de certificación y se dictan otras disposiciones. DECRETO 2364 DE 2012 (Noviembre 22) por medio del cual se reglamenta el artículo 7° de la Ley 527 de 1999, sobre la firma electrónica y se dictan otras disposiciones. Decree 333 of 2014, regulates accreditation procedures for Certification Entities, who certify digital signatures.

European Union and the European Economic Area

Before eIDAS European Union (EU) Directive establishing the framework for electronic signatures: Directive 1999/93/EC of the European Parliament and of the Council of 13 December 1999 on a Community framework for electronic signatures. This Directive was repealed on 1 July 2016 and superseded by the eIDAS regulation (see its article 48). Commission Decision 2003/511/EC adopting three CEN Workshop Agreements as technical standards presumed to be in accordance with the Directive Implementing laws: Several countries have already implemented the Directive 1999/93/EC. Austria Signature Law, 2000 Belgium Signature Law, 2001 Czech Republic Act on Electronic Signatures, 227/2000 Denmark Lov om elektroniske signaturer England, Scotland and Wales (see below) Estonia Digital signature in Estonia Digital Signature Law, 2000 (in Estonian). Digital Signatures Act (consolidated text Dec 2003) Finland Laki vahvasta sähköisestä tunnistamisesta ja sähköisistä allekirjoituksista, 2009 (in Finnish) France Articles 1363-1368 of the Civil Code (French) Germany German Signature Law of 2001, changed in 2005 Greece Presidential Decree 150/2001 (in Greek) Hungary Hungarian Act on Electronic Signatures 2001 Iceland Lög um rafrænar undirskriftir nr. 28/2001 Ireland, Republic of Irish Electronic Commerce Act, 2000 Italy Decreto legislativo 7/3/2005, n. 82 (Codice dell'Amministrazione Digitale) Latvia Electronic Documents Law, 2002 Electronic Documents Law, 2002 (in Latvian) Lithuania Law on electronic signature, 2014 (in Lithuanian) Law on electronic signature, 2002 (in English, not relevant in law) Luxembourg Loi du 14 août 2000 relative au commerce électronique, 2000 (in French) Malta Maltese Electronic Commerce Act 2001, last amended 2005 Netherlands article23 Norway Electronic Signature Act, 2001 (in Norwegian). Poland act_on_eSignature.pdf Portugal Directive 1999/93/EC on electronic signatures was implemented by Portuguese Decree-Law 62/2003 of 3 April 2003. This Decree-Law amended Decree-Law 290-D/99 of 2 August 1999, the previous law governing electronic signatures.European Commission (2006), Benchmarking of existing national legal e-business practices: Country report - Portugal, p. 3, published on 19 September 2006, archived on 27 December 2010, accessed on 8 June 2025 Romania Legea semnăturii electronice, 455/2001 Law on the Electronic Signature, 455/2001 (unofficial translation) Slovakia Act no.215/2002 on electronic signature (in Slovak) Slovenia Electronic Business and Electronic Signature Act (in Slovene) Spain Ley 6/2020, de 11 de noviembre, reguladora de determinados aspectos de los servicios electrónicos de confianza (in Spanish) Sweden Qualified Electronic Signatures Act (SFS 2000:832) (in Swedish) SFS 2000:832 in English translation

eIDAS

In the EU, electronic signatures and related trust services are regulated by the Regulation (EU) N°910/2014 on electronic identification and trust services for electronic transactions in the internal market (eIDAS Regulation). This regulation was adopted by the Council of the European Union on 23 July 2014. It became effective on 1 July and repealed the Electronic Signatures Directive 1999/93/EC. At the same date, any laws of EU member states that were inconsistent with eIDAS were also automatically repealed, replaced or modified. In contract to the aforementioned directive (which allowed the EU member states to interpret it and transpose it to their own law) the eIDAS Regulation is directly effective in all member states.

Ghana Electronic Transactions Act, 2008, sections 10-14,The Electronic Transactions Act, 2008, archived on 27 October 2012, accessed on 15 June 2025 Act 772 of the Ghanaian Parliament.

Guatemala Ley para el Reconocimiento de las Comunicaciones y Firmas Electrónicas (in Spanish)

India Information Technology Act, 2000

Indonesia Art. 12 Law No.11/2008 on Electronic Informations and Transactions , for general purposes. Art. 97B Law No. 13/2022 in regards of Second Amendment of Law No. 12/2011 on Law Formulation (in Indonesian), for government purposes.

Israel Electronic Signature Law, 5761–2001

Japan Law Concerning Electronic Signatures and Certification Services, 2000 (in Japanese)

Korea Digital Signature Act, Act No. 17354, jun. 9, 2020 (in English) For reference only. No legal or official effect. Digital Signature Act (in Korean)

Malaysia Digital Signature Act (Act 562), 1997 (in Bahasa Malaysia). Digital Signature Act (Act 562), 1997 (in English). Digital Signature Regulations (P.U.(A) 359), 1998 (in Bahasa Malaysia). Digital Signature Regulations (P.U.(A) 359), 1998 (in English).

Maldives Electronic Transactions Act 2/2022 (in Dhivehi)

México Law of Electronic Signatures (LFEA), 2012 (in Spanish)

Moldova Lege cu privire la documentul electronic şi semnătura digitală, 15 July 2004 (in Romanian) Law about Electronic Document and Digital Signature (in Russian)

New Zealand Electronic Transactions Act 2002, sections 22-24 For an overview of the New Zealand law, see: - The Laws of New Zealand, Electronic Transactions, paras 16-18; or - Commercial Law, paras 8A.7.1-8A.7.4. (These sources are available on the LexisNexis subscription-only website)

Peru Ley Nº 27269. Ley de Firmas y Certificados Digitales (28MAY2000)

Philippines Electronic Commerce Act of 2000

Russian Federation Federal Law of Russian Federation about Electronic Signature (06.04.2011)

Singapore Electronic Transactions Act

South Africa Electronic Communications and Transactions Act, 2002 (PDF )

Switzerland Federal Law on Certification Services Concerning the Electronic Signature, 2003

Ukraine Law On Electronic Digital Signature, 2003 (in Ukrainian), valid until 7 November 2018. Law On Electronic Trust Services, 2017 (in Ukrainian), valid since 7 November 2018.

United Kingdom Directive 1999/93/EC on electronic signatures, Commission Decision 2003/511/EC and the eIDAS regulation (see above) applied whilst the UK was a member state of the European Union. Domestic legislation includes: Electronic Communications Act, 2000 The Electronic Signatures Regulations 2002. A Law Commission report in 2019 confirmed that the law in England and Wales allows the use of electronic signatures, "both where there is a statutory requirement for a signature and where there is not".Law Commission, Electronic execution of documents, accessed on 11 June 2025

United States Legislation Uniform Electronic Transactions Act (UETA) Electronic Signatures in Global and National Commerce Act (E-SIGN), at 15 U.S.C. 7001 et seq. The law permits the use of electronic signatures in many situations, and preempts many state laws that would otherwise limit the use of electronic signatures.

Case law Court decisions discussing the effect and validity of digital signatures or digital signature-related legislation:

In re Piranha, Inc., 2003 WL 21468504 (N.D. Tex) (UETA does not preclude a person from contesting that he executed, adopted, or authorized an electronic signature that is purportedly his). Cloud Corp. v. Hasbro, 314 F.3d 289 (7th Circuit, 2002) EMLF.org (E-SIGN does not apply retroactively to contracts formed before it took effect in 2000. Nevertheless, the statute of frauds was satisfied by the text of E-mail plus an (apparently) written notation.) Sea-Land Service, Inc. v. Lozen International, 285 F.3d 808 (9th Circuit, 2002) Admiraltylawguide.com (Internal corporate E-mail with signature block, forwarded to a third party by another employee, was admissible over hearsay objection as a party-admission, where the statement was apparently within the scope of the author's and forwarder's employment.)

Uruguay Uruguay's laws include both electronic and digital signatures: Concerning passwords or adequate information technology gestures Concerning electronic and digital signature and PKI

Turkey Turkey has had an electronic signature Law since 2004.Kamu SM, Electronic Signature Law TBMM.gov.tr This law is stated in European Union Directive 1999/93/EC. Turkey has a Government Certificate Authority - Kamu SM for all government agents for their internal use and three independent certificate authorities all of which are issuing qualified digital signatures. Kamu Sertifikasyon Merkezi (Governmental Certificate Authority) Kamusm.gov.tr E-Güven (owned by Turkish Informatics Foundation) E-guven.com Turktrust (owned by Turkish Military Force Solidarity Foundation) Turktrust.com.tr E-Tugra E-tugra.com

References

In re Piranha, Inc. WL 21468504 (N.D. Tex. 2003). Google Scholar.