AU · Electronic Transactions Act 1999

Electronic Signatures in Australia — Legal Framework

Australia's Electronic Transactions Act 1999 (ETA) is one of the world's earliest pieces of e-signature legislation. It provides that electronic signatures satisfy legal signature requirements where the method identifies the person, indicates their approval, and is reliable and appropriate for the purpose.

Electronic Transactions Act 1999

Australia · Enacted 1999

Key Provisions

Electronic Transactions Act 1999 provides federal framework for e-signatures

Each state and territory has adopted corresponding legislation for uniformity

Technology-neutral: no specific technology mandated, only reliability required

Signature must identify the person and indicate their approval of the information

Method must be reliable and appropriate for the purpose of the communication

Parties must consent to the use of electronic signatures

Australia's Electronic Transactions Act 1999 (ETA) is one of the world's earliest pieces of e-signature legislation. It provides that electronic signatures satisfy legal signature requirements where the method identifies the person, indicates their approval, and is reliable and appropriate for the purpose. Each Australian state and territory has adopted corresponding legislation, creating a uniform national framework. The ETA adopts a technology-neutral approach — it doesn't mandate any specific technology, only that the method is reliable and the parties consent. SignForge records email-based signer identification, an explicit consent workflow, SHA-256 document integrity hashing, and a comprehensive audit trail. Australian businesses use SignForge for contracts, NDAs, employment agreements, and commercial transactions with full legal confidence.

What we record

What SignForge records

These are the facts we capture and store for every signature. Electronic Transactions Act 1999 sets the requirements above — whether what we record satisfies them for a given transaction is a legal question that depends on the circumstances.

Signer identified via email address, IP address, and user-agent metadata

Consent checkbox indicates approval and willingness to sign electronically

SHA-256 hashing and ECDSA verification provide reliable integrity proof

Complete audit trail with timestamps for every action

Technology-neutral approach: browser-based, no plugins or downloads required

QR code verification for independent authenticity confirmation

What SignForge does not provide here

  • SignForge is not an accredited service provider under the Commonwealth identity framework
  • No notarization or witnessing
  • Documents excluded by the Act and its regulations cannot be executed on any platform

256-bit Encryption

TLS 1.3 + SHA-256

ECDSA P-256

Cryptographic proof

Audit Trail

Append-only, immutable

ISO 27001

Certified infrastructure

Frequently asked questions

Are electronic signatures legally valid in Australia?

Yes. Under the Electronic Transactions Act 1999 and corresponding state/territory legislation, electronic signatures are legally valid when they identify the signer, indicate their approval, and use a reliable method. SignForge records each of these, and what it records is set out on this page.

What documents can be signed electronically in Australia?

Most commercial documents can be signed electronically, including contracts, NDAs, employment agreements, lease agreements, and purchase orders. Exceptions include wills, powers of attorney, citizenship documents, and migration documents.

Do I need special software to sign with SignForge in Australia?

No. SignForge is entirely browser-based. Signers receive a secure link via email and can sign from any device — desktop, tablet, or mobile — without downloading any software or creating an account.

General information — not legal advice

This page summarizes electronic signature legislation drawn from primary legal sources and international bodies including UNCITRAL and UNCTAD. It is not legal advice and creates no solicitor–client or attorney–client relationship. Laws change, and how they apply depends on the transaction, the parties, and the document type. Before relying on electronic signatures for a regulated, high-value, or cross-border transaction — or for any document type listed as excluded — take advice from qualified counsel in the jurisdiction whose law governs that transaction. That is a separate question from the governing law of your agreement with SignForge, which is set out in our Terms of Service.

Last reviewed: 10 August 2026

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