Written by Acorn Sales Company, manufacturing stamps and seals since 1964 · Reviewed by Holly R, VP of Sales and Marketing at Acorn Sales, against the Massachusetts Board of Registration of Professional Engineers and Professional Land Surveyors and M.G.L. c. 112, § 81M on 21 September 2026 · Updated 21 September 2026
Every filed sheet is individually signed, sealed and dated. 250 CMR 5.03 requires that where instruments of service are filed with public authorities, each sheet be individually signed, sealed and appropriately dated unless otherwise authorized by statute. Massachusetts does not have a cover sheet practice. For a surveyor working a large plan set that turns the seal into a high wear item, which is a practical argument for a self inking stamp even though an embosser is equally lawful.
The signature placement is prescriptive and runs the other way from the states that want you to sign through the impression. 250 CMR 5.03(6) puts the signature “adjacent to (not obscuring) the seal.” Leave clear space beside the device for the signature and the date rather than sizing it so tight that they have to overlap.
The device itself is approximately one and one half inches in outside diameter and carries four items: Commonwealth of Massachusetts, your name as registered, your registration number and the professional land surveyor legend. The licensed branch option in 250 CMR 5.03(1)(a) is an engineering concept with no land surveying counterpart, so a surveyor face carries those four and nothing else. Confirm the exact legend against the board’s currently authorized design, since the board authorizes it under M.G.L. c. 112, § 81M and the statute and the regulation do not print it identically across the professions.
Massachusetts land surveyor seal requirements at a glance
| Requirement | Massachusetts rule | Source |
|---|---|---|
| Seal required | Yes | M.G.L. c. 112, § 81M |
| Required elements | Commonwealth of Massachusetts, Your name as registered, Your registration number and Professional Land Surveyor | 250 CMR 5.03(1) |
| Size and shape | Approximately one and one half inches outside diameter. 250 CMR 5.03 states that the outside diameter of the depicted image must be approximately one and one half inches, and the same figure governs both professions on this board. | 250 CMR 5.03 |
| Device allowed | Massachusetts is permissive on the device and says so in one sentence: the seal must be a symbol or image in the form of a rubber stamp, embossed seal or digitized seal, meaning a computer generated image, or other form approved by the Board. | 250 CMR 5.03 |
| Signature and date | The signature sits next to the seal and must not cover it. 250 CMR 5.03(6) calls for either a legible hand written signature or a properly encrypted digital signature placed adjacent to, and not obscuring, the seal, with the document appropriately dated and signed. | 250 CMR 5.03(6) |
| What must be sealed | Instruments of service filed with public authorities, sheet by sheet, under 250 CMR 5.03 and M.G.L. c. 112, § 81M. | 250 CMR 5.03(3), (5), 5.04 |
| Electronic seal | 250 CMR 5.03(11) sets a functional standard and names no product. | 250 CMR 5.03(6), (11) |
| Renewal and lapse | Certificates expire on June 30 of even numbered years. | M.G.L. c. 112, §§ 81N, 81P |
| Firm requirements | No firm seal and no certificate of authorization number on the document. 250 CMR 5.05 requires that a business entity offering engineering or land surveying services have a registered engineer or land surveyor with management responsibility for that part of the business, acting as the registrant in charge. | 250 CMR 5.05 |
| Regulator | The Massachusetts Board of Registration of Professional Engineers and Professional Land Surveyors | M.G.L. c. 112, §§ 81D to 81T, principally §§ 81M, 81N and 81P, read from the Massachusetts Legislature, and 250 CMR 5.00, Professional Practice, read from the board’s published document on mass.gov, together with 250 CMR 6.00, Land Surveying Procedures and Standards. One board covers professional engineers and professional land surveyors, and 250 CMR 5.03 governs both: the seal contents, the approximately one and one half inch diameter, the adjacent non obscuring signature and the per sheet rule are shared, and the difference is the legend plus the engineering only licensed branch option. Massachusetts architects sit under 231 CMR and landscape architects under 242 CMR, with different boards and different seal rules. |
Is a seal required in Massachusetts?
Massachusetts puts the duty in the statute and the detail in the regulation, and one regulation covers both professions on this board. M.G.L. c. 112, § 81M requires each registrant on registration to obtain a seal of the design authorized by the board bearing the registrant’s name and the profession legend, and provides that documents be stamped with that seal when filed with public authorities while the registrant’s certificate is in force. 250 CMR 5.03 supplies the design, the placement and the signature. The practical trigger is filing with a public authority, and at that point 250 CMR 5.03 requires each sheet to be individually signed, sealed and appropriately dated unless otherwise authorized by statute.
What must appear on the seal
- Commonwealth of Massachusetts
- Your name as registered
- Your registration number
- Professional Land Surveyor
The licensed branch option in 250 CMR 5.03(1)(a) is an engineering concept and has no land surveying counterpart, so a surveyor face carries four items and nothing else. One wording point is worth flagging rather than resolving silently: the statute and the regulation do not print the legend identically across the professions, and the board is the body that authorizes the design under M.G.L. c. 112, § 81M. Take the face wording from the board’s currently authorized design rather than from either citation in isolation. No firm name belongs on the face and no expiration date.
Size and shape
Approximately one and one half inches outside diameter. 250 CMR 5.03 states that the outside diameter of the depicted image must be approximately one and one half inches, and the same figure governs both professions on this board. The word approximately gives a little tolerance, which is not an invitation to cut a two inch die.
Embosser, rubber stamp or digital
Massachusetts is permissive on the device and says so in one sentence: the seal must be a symbol or image in the form of a rubber stamp, embossed seal or digitized seal, meaning a computer generated image, or other form approved by the Board. A rubber or self inking stamp is the safe buy for filed work and is expressly named. Durability matters here, because the rule requires a seal on every filed sheet.
Signing and dating
The signature sits next to the seal and must not cover it. 250 CMR 5.03(6) calls for either a legible hand written signature or a properly encrypted digital signature placed adjacent to, and not obscuring, the seal, with the document appropriately dated and signed. The date accompanies the signature rather than being printed on the seal face. Where documents are filed with public authorities the signing and sealing is per sheet, so a single signed cover sheet does not carry a set.
Every filed sheet, individually sealed and dated
250 CMR 5.03 requires that where instruments of service are filed with public authorities, each sheet be individually signed, sealed and appropriately dated unless otherwise authorized by statute. Massachusetts does not have a cover sheet practice. For a surveyor working a large plan set that turns the seal into a high wear item, which is a practical argument for a self inking stamp over an embosser even though both are permitted.
Which documents must be sealed
Instruments of service filed with public authorities, sheet by sheet, under 250 CMR 5.03 and M.G.L. c. 112, § 81M. Two limits on what may be sealed are explicit. 250 CMR 5.03(3) allows a registrant to affix the seal only to instruments of service produced by the registrant personally or under the registrant’s direct charge and supervision. 250 CMR 5.03(5) adds that under no circumstances shall a registrant adopt the work products developed by unregistered persons who themselves were not working under the direct charge and supervision of a registrant, which forecloses plan stamping of outside drawings. 250 CMR 5.04 defines direct charge and supervision. Land surveyors carry additional obligations under 250 CMR 6.00, Land Surveying Procedures and Standards, which has no engineering counterpart.
Electronic and digital seals
250 CMR 5.03(11) sets a functional standard and names no product. A digital signature must have an electronic authentication process attached to it that is uniquely associated with the registrant, can be authenticated by the recipient, and is uniquely linked to the underlying documents in a manner that will invalidate the digital signature if any part of the document is changed. 250 CMR 5.03(6) separately accepts a properly encrypted digital signature as an alternative to a handwritten one. No federal standard is incorporated by reference, so unlike New Jersey there is no FIPS citation to satisfy. The digitized seal image itself is separately authorized as a form of seal.
Renewal, lapse and retirement
Certificates expire on June 30 of even numbered years. M.G.L. c. 112, § 81N provides that certificates of registration expire June thirtieth in every even numbered year, requires the board to give notice at least one month in advance, and permits renewal on or before the expiration date or before August first following it. A registrant who does not renew within two years is temporarily dropped from the roster, and reinstatement requires a fee and an application showing no grounds exist for revocation under § 81P. 250 CMR 5.06 restates the cycle and 250 CMR 5.06(6) provides that where a license has lapsed the use of the registrant’s seal is prohibited. 250 CMR 5.07 governs reinstatement.
Firm requirements
No firm seal and no certificate of authorization number on the document. 250 CMR 5.05 requires that a business entity offering engineering or land surveying services have a registered engineer or land surveyor with management responsibility for that part of the business, acting as the registrant in charge. That is a management test, not a firm license printed on the drawing. Whether Massachusetts imposes any separate firm registration outside 250 CMR 5.00 was not verified.
What to check before you order
Order a rubber or self inking stamp with an outside diameter of approximately one and one half inches. Four text elements on the face: Commonwealth of Massachusetts, your name as registered, your registration number and the professional land surveyor legend. Confirm the exact legend against the board’s authorized design, since the board authorizes it under M.G.L. c. 112, § 81M. Leave clear space beside the seal, because 250 CMR 5.03(6) puts your legible handwritten signature adjacent to the seal without obscuring it, with the date. Buy for durability: every sheet filed with a public authority is individually signed, sealed and dated, so the device gets heavy use. Embossed and digitized computer generated seals are equally lawful.
Browse land surveyor stamps and seals.
- Quick and Easy Massachusetts Land Surveyor Stamp Order Guide
- Proper Use of a Massachusetts Land Surveyor Stamp
Frequently asked questions
Is a seal required for land surveyors in Massachusetts?
Yes. M.G.L. c. 112, § 81M requires each registrant on registration to obtain a seal of the design authorized by the board bearing the registrant’s name and the profession legend, and provides that documents be stamped with that seal when filed with public authorities while the registrant’s certificate is in force. 250 CMR 5.03 supplies the design, the placement and the signature, and requires each sheet to be individually signed, sealed and appropriately dated unless otherwise authorized by statute.
What has to appear on a Massachusetts land surveyor seal?
Four items under 250 CMR 5.03(1): Commonwealth of Massachusetts, your name as registered, your registration number and the professional land surveyor legend. No firm name belongs on the face and no expiration date.
What size is a Massachusetts land surveyor seal?
Approximately one and one half inches outside diameter. 250 CMR 5.03 states that the outside diameter of the depicted image must be approximately that figure, and the same measurement governs both professions on this board. The word approximately gives a little tolerance, which is not an invitation to cut a two inch die.
Rubber stamp, embosser or digitized seal in Massachusetts?
Any of them. The seal must be a symbol or image in the form of a rubber stamp, embossed seal or digitized seal, meaning a computer generated image, or other form approved by the Board. A rubber or self inking stamp is the safe buy for filed work and is expressly named, and durability matters because the rule requires a seal on every filed sheet.
Where does the signature go in Massachusetts?
Beside the seal, not over it. 250 CMR 5.03(6) calls for either a legible hand written signature or a properly encrypted digital signature placed adjacent to, and not obscuring, the seal, with the document appropriately dated and signed. The date accompanies the signature rather than being printed on the seal face.
What may a Massachusetts registrant seal?
Only your own work or work under your direct charge and supervision. 250 CMR 5.03(3) allows a registrant to affix the seal only to instruments of service produced by the registrant personally or under the registrant’s direct charge and supervision, and 250 CMR 5.03(5) adds that under no circumstances shall a registrant adopt the work products developed by unregistered persons who themselves were not working under the direct charge and supervision of a registrant, which forecloses plan stamping of outside drawings. 250 CMR 5.04 defines direct charge and supervision.
Do Massachusetts surveyors have extra practice rules?
Yes. 250 CMR 6.00, Land Surveying Procedures and Standards, applies to surveyors alone and has no engineering counterpart, while 250 CMR 5.00 is the professional practice chapter that carries the seal. Massachusetts architects and landscape architects are entirely different boards under 231 CMR and 242 CMR, with seal rules that look nothing like this one.
What does Massachusetts require of a digital signature?
A functional standard with no named product. 250 CMR 5.03(11) requires a digital signature to have an electronic authentication process attached to it that is uniquely associated with the registrant, can be authenticated by the recipient, and is uniquely linked to the underlying documents in a manner that will invalidate the digital signature if any part of the document is changed. Subsection (6) separately accepts a properly encrypted digital signature as an alternative to a handwritten one. No federal standard is incorporated by reference, so unlike New Jersey there is no FIPS citation to satisfy.
What happens if my Massachusetts registration lapses?
The seal stops. Certificates expire on June 30 of even numbered years: M.G.L. c. 112, § 81N requires the board to give notice at least one month in advance and permits renewal on or before the expiration date or before August first following it. A registrant who does not renew within two years is temporarily dropped from the roster, and reinstatement requires a fee and an application showing no grounds exist for revocation under § 81P. 250 CMR 5.06 restates the cycle and 250 CMR 5.06(6) provides that where a license has lapsed the use of the registrant’s seal is prohibited. 250 CMR 5.07 governs reinstatement.
Does a Massachusetts surveying firm need a seal?
No, and no certificate of authorization number goes on the document. 250 CMR 5.05 requires that a business entity offering engineering or land surveying services have a registered engineer or land surveyor with management responsibility for that part of the business, acting as the registrant in charge. That is a management test rather than a firm license printed on the drawing. Whether Massachusetts imposes any separate firm registration outside 250 CMR 5.00 was not verified.
