What should be on a surveyor’s seal and signature for digital files?

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More agencies want digitally signed PDFs. What do we need to know?

Asked October 25, 2026

AI answer · not yet verified by a surveyor

Digital sealing rules come from state boards and the receiving agencies [1].

Common requirements:

  • Approved method: a digital signature, usually certificate-based, that makes the file tamper-evident. Some boards allow scanned seals with specific conditions.
  • Seal content as defined by the board: name, license number and state.
  • Date of signing.
  • Final documents only: drafts and preliminary drawings are usually marked "not for recording" or similar.
  • Agency formats: PDF standards, layer requirements, file naming and size limits.

Good practice:

  • Keep the signed original and a log of what was signed and when.
  • Protect your signing credentials.
  • Confirm the agency's requirements before submission [1].

Check your state board's current rules. Several have updated them for electronic submissions.

General information only. Answers here are not a survey or legal advice, and no one here can tell you where your boundary is. For your property, hire a licensed land surveyor in your state; for legal questions, a real-estate attorney.

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