Written by Acorn Sales Company, manufacturing stamps and seals since 1964 · Reviewed by Holly R, VP of Sales and Marketing at Acorn Sales, against no Montana board; the profession is unregulated in this state and Montana Department of Labor and Industry, Business Standards Division, licensing boards listing (no geologist board) on 21 September 2026 · Updated 21 September 2026
Montana does not license, register or certify geologists, so no Montana rule prescribes anything about a geologist seal. The Department of Labor and Industry’s Business Standards Division publishes the complete list of the professional licensing boards and programs it administers, and no board for geologists appears on it. The design and technical boards on that list are the Board of Architects and Landscape Architects and the Board of Professional Engineers and Professional Land Surveyors. Montana is a state where geology reaches a regulatory filing under the engineer’s seal.
Nothing is prescribed, so the design is yours. One limit still applies, and it is about wording rather than shape. There is no required diameter, no required legend, no authorized artwork and no filing step, so your stamp is a design decision rather than a compliance one. Acorn will cut it to whatever you want on it: your own name, your firm name, a monogram, your logo, or a geologist credential you actually hold from a state that issues one.
One line worth knowing belongs to the neighboring professions. Mont. Code Ann. § 37-65-301 forbids using any words, letters, figures or other device implying architectural licensure, and Montana’s engineering and land surveying chapter restricts those titles. So put your own name, your firm name, and any credential you actually hold, named with the state that issued it. Leave off “Licensed” and “Registered” and any Montana-issued title, because that is the part the state does restrict.
Montana geologist seal requirements at a glance
| Requirement | Montana rule | Source |
|---|---|---|
| Seal required | Not licensed here | Montana Department of Labor and Industry, Business Standards Division, licensing boards listing (no geologist board) |
| Required elements | Montana licenses no geologists and issues no geologist seal | Montana Department of Labor and Industry, Business Standards Division, licensing boards listing |
| Size and shape | No dimension exists. | Montana Department of Labor and Industry, Business Standards Division, licensing boards listing (no geologist board) |
| Device allowed | Not a regulated purchase. | Mont. Code Ann. § 37-67-314(2) |
| Signature and date | Not addressed, because Montana has no geology credential to attach a signature duty to. | Mont. Code Ann. § 37-67-314(4) |
| What must be sealed | No Montana document requires a geologist seal. | Mont. Code Ann. §§ 37-65-308, 37-66-308(2), 37-67-314(2) |
| Electronic seal | Not applicable. | Montana Department of Labor and Industry, Business Standards Division, licensing boards listing |
| Renewal and lapse | Not applicable. | Montana Department of Labor and Industry, Business Standards Division, licensing boards listing |
| Firm requirements | Not applicable. | Mont. Code Ann. § 37-67-328 |
| Regulator | No Montana board; the profession is unregulated in this state | Montana Department of Labor and Industry, Business Standards Division, licensing boards listing, which names the boards the Division administers and contains no geologist board and no interior design board |
Is a seal required in Montana?
Montana does not license, register or certify geologists, and therefore issues no geologist seal. The Montana Department of Labor and Industry, Business Standards Division, publishes the complete list of the professional licensing boards and programs it administers, and no board for geologists appears on it. The design and technical boards on the list are the Board of Architects and Landscape Architects and the Board of Professional Engineers and Professional Land Surveyors. There is no Montana board of geologists, no license number to inscribe and no legend to letter.
What must appear on the seal
- Montana licenses no geologists and issues no geologist seal
There is nothing to specify. Because Montana grants no geology credential, no wording is authorized and no wording is prohibited by a licensing board. What is policed is the neighboring title: Mont. Code Ann. § 37-65-301 forbids using any words, letters, figures or other device implying architectural licensure, and Montana’s engineering and land surveying chapter restricts those titles. A Montana geologist’s device must not read in a way that implies either.
Size and shape
No dimension exists. Montana prescribes no geologist seal, so there is no diameter to state. The sources here are the Business Standards Division licensing boards listing and MCA Title 37 chapters 65, 66 and 67 for the three Montana design and technical credentials.
Embosser, rubber stamp or digital
Not a regulated purchase. Any device a Montana geologist uses is a business or identification stamp, not a professional seal, and it carries no statutory effect on a Montana filing. Geotechnical and subsurface work submitted for approval in Montana is sealed by the professional engineer in responsible charge, whose seal is required by Mont. Code Ann. § 37-67-314(2).
Signing and dating
Not addressed, because Montana has no geology credential to attach a signature duty to. Where a Montana project requires sealed and signed documents, the duty falls on the licensed professional engineer, professional land surveyor, architect or landscape architect in responsible charge, and Mont. Code Ann. § 37-67-314(4) makes it unlawful for an expired licensee to sign or seal any professional or technical document.
There is no Montana geologist stamp to buy, and that is the answer
Montana runs more than forty licensing boards through the Business Standards Division of the Department of Labor and Industry, and geology is not one of them. There is no Montana board of geologists, no licensing act and no number that could go on a seal. Montana is a state where the geology itself is done under the engineer’s seal when it reaches a regulatory filing.
Which documents must be sealed
No Montana document requires a geologist seal. The nearest statutory sealing duties are § 37-67-314(2) for professional engineers and professional land surveyors, § 37-65-308 for architects and § 37-66-308(2) for landscape architects, the last of which requires the seal on all drawings and title pages of specifications and states that it cannot replace the seals of the other three professions.
Electronic and digital seals
Not applicable. Montana has no geology credential and therefore no electronic geologist seal standard. Note that Montana publishes no verified electronic seal standard for its licensed professions either: the relevant rules at ARM 24.183.511 and ARM Title 24 chapter 114 could not be read for this research, because rules.mt.gov is behind an interactive human-verification challenge, which we do not click through and the mtrules.org mirror serves a hostname-mismatched certificate that was not bypassed.
Renewal, lapse and retirement
Not applicable. With no credential there is no renewal cycle, no lapse, no number to change and no device to surrender.
Firm requirements
Not applicable. Montana registers no geology firm and issues no certificate of authorization for geology. The certificate of authorization Montana does issue, under Mont. Code Ann. § 37-67-328, reaches business entities registered with the Montana secretary of state that practice engineering or land surveying, and a sole proprietor not required to register with the secretary of state is exempt.
What to check before you order
You do not need, and cannot lawfully obtain, a Montana professional geologist seal, because Montana does not license or register the profession. If you want a device for your own reports, order a plain identification stamp with your name and firm, and describe any out-of-state credential as that state’s credential. Keep architectural and engineering language off it, because Montana restricts words, figures and devices implying architectural licensure and restricts the engineer and land surveyor titles. If your work is going to a Montana agency for approval, the sealed document has to carry the seal of the professional engineer or other licensed professional in responsible charge.
Browse geologist stamps and seals.
Frequently asked questions
Does Montana require a geologist to have a seal?
No, and it could not, because it issues no geologist credential. The Business Standards Division administers more than forty licensing boards and geology is not one of them, so there is no license number to inscribe and no legend to letter.
Is there a Montana geologist license?
There is not. Montana has no board of geologists and no licensing act for the profession, which surprises geologists who move in from states that do license it. A Licensed Professional Geologist credential from Delaware or New Hampshire, a Registered Professional Geologist credential from Alabama, Arkansas, Kentucky or Mississippi, and a Professional Geoscientist credential from Louisiana all describe things Montana does not issue and does not recognize on a filed document.
What can I put on a Montana geologist stamp?
Whatever is true of you. Your name as you use it professionally, your firm name, contact details, a monogram or logo, and the exact name of any credential you hold with the state that issued it named alongside. Since no rule prescribes a layout, a round die, an oval, a square and a rectangular text block are equally acceptable.
What should I keep off it?
Architectural and engineering language. Mont. Code Ann. § 37-65-301 forbids any words, letters, figures or other device implying architectural licensure, which is unusually broad wording, and the engineering and land surveying chapter restricts those titles. Keep a Montana geology device plain and descriptive.
What size and shape should it be?
Any size and any shape, because no dimension exists. Because nothing is prescribed, the size is yours. The round dies Acorn makes most often for unregulated devices fall between 1-1/2 and 2 inches, which is a legibility judgment from our own production rather than any rule.
Who seals geotechnical work submitted in Montana?
The professional engineer in responsible charge, whose seal is required by Mont. Code Ann. § 37-67-314(2). Your geologic report travels as supporting material rather than as a sealed instrument of its own.
What other Montana sealing duties should I know about?
Three sit nearby: § 37-67-314(2) for professional engineers and professional land surveyors, § 37-65-308 for architects, and § 37-66-308(2) for landscape architects, the last of which requires the seal on all drawings and title pages of specifications and states that it cannot replace the seals of the other three professions. Section 37-67-314(4) also makes it unlawful for an expired licensee to sign or seal any professional or technical document.
Does Montana publish an electronic seal standard?
Not one that reaches you, and the position for its licensed professions could not be confirmed. Montana has no geology credential and therefore no electronic geologist seal standard. The rules at ARM 24.183.511 and ARM Title 24 chapter 114 could not be read for this research, because rules.mt.gov sits behind an interactive human-verification challenge and the mtrules.org mirror serves a hostname-mismatched certificate.
Will a Montana agency accept my geologist stamp?
Not in place of a required seal. Any device a Montana geologist uses is a business or identification stamp with no statutory effect on a Montana filing. Where your work is going to a Montana agency for approval, the sealed document carries the seal of the professional engineer or other licensed professional in responsible charge.
Does a Montana geology firm need a certificate of authorization?
No. Montana registers no geology firm and issues no certificate of authorization for geology. The certificate Montana does issue, under Mont. Code Ann. § 37-67-328, reaches business entities registered with the Montana secretary of state that practice engineering or land surveying, and a sole proprietor not required to register with the secretary of state is exempt.































