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Illinois Geologist Stamp Requirements

Board approved

Your Illinois Geologist seal from pedigitalstamps.com meets every requirement on this page — the required wording, the layout and the diameter set out in 225 ILCS 745/60; 68 Ill. Adm. Code 1252.APPENDIX A. Fill in your details and download it in seconds.

The Illinois rules in full, with citations

Illinois licenses structural engineers under a separate Act with its own seal rule (68 Ill. Adm. Code 1480.145); a structural engineer's seal is not the PE seal below. Note also that the license expiration date has to sit next to the seal — a detail that catches out-of-state filers. The design rule is 68 Ill. Adm. Code Part 1252 (Professional Geologist Licensing Act), not Part 1450, which is a common misattribution. Section 60 carries the Act's sunset marker — "Section scheduled to be repealed on January 1, 2031" — which applies to the Act generally and is not a pending change to the seal itself.

Geologist seal

Board:
Illinois Department of Financial and Professional Regulation, Division of Professional Regulation — Board of Licensing for Professional Geologists
Rule:
225 ILCS 745/60; 68 Ill. Adm. Code 1252.APPENDIX A
Diameter:
A fixed diameter, not a range: "each licensee shall obtain, at his/her own expense, a seal or rubber stamp, 1 3/4 inches in diameter." The Act itself states no dimension and delegates the design to rule.
Legend:
“licensed professional geologist, Illinois”
  • "Upon licensure, each licensee shall obtain a seal of a design as required by rule bearing the licensee's name, license number, and the legend 'Licensed Professional Geologist'." (225 ILCS 745/60(a))
  • "In accordance with Section 60 of the Act, each licensee shall obtain, at his/her own expense, a seal or rubber stamp, 1 3/4 inches in diameter. The seal or stamp shall consist of concentric circles between which shall appear in capital letters 'ILLINOIS' in the lower portion of the seal and 'LICENSED PROFESSIONAL GEOLOGIST' in the upper portion of the seal. Within the inner circle of the seal shall appear the name of the licensee and the individual's license number." (68 Ill. Adm. Code 1252.APPENDIX A(a))
  • "All preliminary, draft, and final geologic reports, documents, permits, affidavits, maps, boring logs, cross sections, or other records offered to the public and prepared or issued by or under the supervision of a Licensed Professional Geologist shall include the full name, signature, and license number of the licensee, and the date of license expiration of the person who prepared the document or under whose supervision it was prepared, and an impression of the licensee's seal, in accordance with rules issued by the Department." (225 ILCS 745/60(b))
  • "The Licensed Professional Geologist who has contract responsibility shall seal a cover sheet of the professional work products and those individual portions of the professional work products for which the Licensed Professional Geologist is legally and professionally responsible. A Licensed Professional Geologist practicing as the support professional shall seal those individual portions of professional work products for which that Licensed Professional Geologist is legally and professionally responsible." (225 ILCS 745/60(c))
  • "The use of a Licensed Professional Geologist's seal on professional work products constitutes a representation that the work prepared by or under the personal supervision of that Licensed Professional Geologist has been prepared and administered in accordance with the standards of reasonable professional skill and diligence." (225 ILCS 745/60(d))
  • "It is unlawful to affix one's seal to professional work products if doing so masks the true identity of the person who actually exercised direction, supervision, and responsible charge of the preparation of that work." A licensee who signs and seals work is not responsible for damage caused by later changes or uses that the licensee did not authorise or approve. (225 ILCS 745/60(e))
  • The rule prints "a suggested facsimile of the design and lettering of the seal" beneath the mandatory description in subsection (a). (68 Ill. Adm. Code 1252.APPENDIX A(b))

Full Illinois Geologist seal requirements, with every citation →

File formats

All formats included

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HIGH-QUALITY RASTER FORMAT

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AUTOCAD COMPATIBLE FORMAT

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PROFESSIONAL PRINT FORMAT

How it works

Create your Illinois digital Geologist stamp

1

Select your state & profession

2

Add your name & license number

3

Adjust the text size using the controls

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Select your discipline

5

Add your signature & customize (optional)

6

Download instantly to your computer

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Compatible with PDF and CAD software

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Who we are

About

Our digital Illinois Geologist stamp generator creates instant state-approved electronic geologist stamps. Our platform provides full customization of your digital seal, including an option to add your signature. Professional Engineer (PE) stamps, Architect stamps, and Land Surveyor stamps are available for immediate download after customization. There is no waiting. Every electronic professional seal we generate is 100% compliant with state board requirements, ensuring your digital stamp meets all necessary standards.

State boards

State board-approved, including

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Pennsylvania PE Stamp logo

FAQ

Illinois Geologist Seal FAQs

Frequently asked questions about Illinois digital geologist stamps and seals.

How do I obtain a digital Illinois professional geologist seal or stamp?

Once you are licensed in Illinois, you can generate your seal here and download it immediately. Fill in the form and position your signature if you want one. The layout follows 225 ILCS 745/60; 68 Ill. Adm. Code 1252.APPENDIX A, which is the provision the Illinois Department of Financial and Professional Regulation, Division of Professional Regulation — Board of Licensing for Professional Geologists will measure the seal against.

What are the requirements for the Illinois geologist stamp or seal?

Illinois’ geologist seal rule is 225 ILCS 745/60; 68 Ill. Adm. Code 1252.APPENDIX A, administered by the Illinois Department of Financial and Professional Regulation, Division of Professional Regulation — Board of Licensing for Professional Geologists, a different body from the engineering board. The seal must carry “licensed professional geologist, Illinois”, and a fixed diameter, not a range: "each licensee shall obtain, at his/her own expense, a seal or rubber stamp, 1 3/4 inches in diameter." The Act itself states no dimension and delegates the design to rule.

A further 7 requirements, each tied to the subsection that imposes it, are itemised in the Illinois requirements section on this page.

What size does an Illinois geologist seal have to be?

A fixed diameter, not a range: "each licensee shall obtain, at his/her own expense, a seal or rubber stamp, 1 3/4 inches in diameter." The Act itself states no dimension and delegates the design to rule. This is set by 68 Ill. Adm. Code 1252.APPENDIX A(a); 225 ILCS 745/60(a).

Where does the license expiration date go if the Illinois seal design has no field for it?

The license expiration date is required on the record but has no place in the prescribed seal design, so it must be carried on the document itself alongside the seal impression, signature, name and license number. (225 ILCS 745/60(b); 68 Ill. Adm. Code 1252.APPENDIX A(a))

Is the record preliminary or draft? Illinois still requires the seal if it is offered to the public.

The sealing duty is not limited to final work: it reaches "all preliminary, draft, and final" geologic reports, documents, permits, affidavits, maps, boring logs, cross sections or other records offered to the public. (225 ILCS 745/60(b))

Is your seal exactly 1 3/4 inches across?

1 3/4 inches is an exact diameter in Illinois, not a minimum or a range. (68 Ill. Adm. Code 1252.APPENDIX A(a))

Are you the contract-responsible geologist or a support professional on this work product?

Sealing is apportioned by responsibility: the geologist with contract responsibility seals a cover sheet plus their own portions, and a support professional seals only their portions. (225 ILCS 745/60(c))

Geologist stamps in other states

Each state licenses geologists under its own board and its own seal design. Every state below has its own geologist stamp generator.

Compare every jurisdiction’s geologist seal rule side by side →