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What Is In-Person Electronic Notarization (IEN)? How It Works in the Philippines


In-Person Electronic Notarization (IEN) is a form of e-notarization where the principal (signer) and any witnesses physically appear before an Electronic Notary Public (ENP), but the document being notarized is in electronic format (PDF/PDF-A) rather than paper.

How IEN Differs from Traditional Notarization

IEN maintains the same physical presence requirement as traditional notarization – the key difference is the document format and security technology used.

AspectTraditional NotarizationIn-Person Electronic Notarization
Physical presenceYesYes
Document formatPaperPDF / PDF-A
Signature methodWet inkElectronic or digital signature
Notarial sealPhysical rubber stampElectronic notarial seal
Record-keepingPhysical notarial bookElectronic notarial book
Audit trailManual log entryAutomated, tamper-proof audit trail
VerificationVisual ID checkMulti-factor authentication

How IEN Works

  1. Physical appearance – The principal and witnesses appear in person before the ENP
  2. Identity verification – Even though the parties are physically present, the ENP verifies identity through multi-factor authentication (government ID + biometrics) via the ENF platform
  3. Document review – The ENP reviews the electronic document (PDF/PDF-A) on the ENF platform
  4. Electronic signing – The principal applies their electronic or digital signature to the document
  5. Notarial act – The ENP administers the oath or receives the acknowledgment
  6. Seal application – The ENP applies their electronic notarial seal and signature
  7. Recording – The act is recorded in the electronic notarial book and uploaded to the SC database

When to Use IEN vs. REN

IEN is appropriate when:

  • Parties are in the same location as the ENP
  • The principal prefers face-to-face interaction for the notarial act
  • The document type requires or benefits from in-person verification
  • Physical presence adds comfort or trust to the transaction

Remote Electronic Notarization (REN) is better when:

  • Parties are in different locations
  • The principal is an OFW at a Philippine mission abroad
  • Travel to the ENP’s office is impractical or costly
  • Speed and convenience are the primary considerations

Both IEN and REN produce documents with the same legal effect – the choice depends on practical circumstances.

Benefits of IEN Over Paper Notarization

Even when parties are physically present, IEN offers advantages over traditional paper-based notarization:

  1. Better security – Multi-factor authentication vs. visual ID inspection; electronic audit trails vs. manual log books
  2. Fraud preventionTamper-proof digital records vs. physical seals that can be forged
  3. Faster processing – Electronic document handling eliminates printing, scanning, and physical storage
  4. Centralized records – Automatic upload to the SC database for easy verification
  5. Document integrityDigital signatures using PKI ensure any tampering is detectable

IEN is authorized under A.M. No. 24-10-14-SC (Rules on Electronic Notarization). The legal validity of the electronic document and signatures used in IEN is established by RA 8792 (Electronic Commerce Act).


NotarialOS supports both In-Person Electronic Notarization and Remote Electronic Notarization, giving ENPs and their clients flexibility to choose the approach that fits their needs.