Wisconsin · Interior Designer seal requirements
Wisconsin Interior Designer seal requirements: proper sizing, signing and sealing of documents
As of
Wisconsin registers interior designers, and Wis. Stat. § 443.17(2)(a) directs the registered interior designer section of the examining board to set the seal specifications by rule; those specifications are in Wis. Admin. Code § A-E 2.02. The seal's overall diameter may not be less than 1-5/8 inches nor more than 2 inches, and each seal must include the credential holder's name, credential number and city; the approved design published with A-E 2.02(2) reads "WISCONSIN" across the top and "REGISTERED INTERIOR DESIGNER" across the bottom. Section 443.17(3) requires the designer responsible for an interior technical submission to date, sign and impress the seal on it.
The seal rule did not move in the 2024–2025 rewrite of the A-E chapters; it is still Wis. Admin. Code § A-E 2.02, and it is the only seal rule in the series — chs. A-E 3, A-E 4 and A-E 6, the registration chapters for architects, professional engineers and professional land surveyors, contain no seal provisions at all. What changed is its substance: CR 24-001 (Register July 2024 No. 823, effective 1 August 2024) added registered interior designers to the board, to its legal name and to the approved seal designs, and CR 24-028 (Register May 2025 No. 833, effective 1 June 2025) repealed and recreated § A-E 2.02(3), repealed § A-E 2.02(7)(a) outright and rewrote § A-E 2.02(7)(b). Separately, § A-E 2.02(8) lets plans prepared by an architect or professional engineer credentialed in another state be filed here only if a Wisconsin credential holder attaches a certificate — itself dated, signed and sealed — describing the review performed and accepting responsibility for supervision of construction; that route does not extend to land surveying. The section as published in Register June 2026 No. 846 still carries the 1⅝-to-2-inch diameter and the 1987 specimen artwork, and the only later change to ch. A-E 2 is CR 25-082, which created § A-E 2.03(5) on certificates of authorization effective 1 July 2026 and left § A-E 2.02 untouched. Registered interior design is a recent Wisconsin credential: 2021 Wis. Act 195 created the registered interior designer section and the § 443.17(2) seal mandate, and the seal rule reached interior designers only when CR 24-001 amended A-E 2.02(1), (2), (4), (6) and (8) effective 8-1-24. The signing provisions in A-E 2.02(3) and (7)(b) were then repealed and recreated by CR 24-028 effective 6-1-25, which is what added the digitally printed and digitally embedded seal formats and the three permitted signing manners. Chapter A-E 15, the interior designer chapter, covers continuing education and reciprocity only and contains no seal provision.
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Wisconsin Interior Designer seal
- Seal requirements
- Wis. Stat. § 443.17; Wis. Admin. Code § A-E 2.02
- Legend
- “Wisconsin, Registered Interior Designer”
- Diameter
- A range, not a fixed size. A-E 2.02(1) provides that "The overall diameter may not be less than 15/8 inches nor more than 2 inches."
- Expiration date
- No expiration or renewal date belongs in the seal. A-E 2.02(1) lists the seal's required contents exhaustively as the credential holder's name, credential number and city; the only date required is the date placed with the signature on the document under A-E 2.02(4) and (7)(b).(Wis. Admin. Code § A-E 2.02(1), (4), (7)(b))
- Signature date
- Each sheet must be "signed, sealed, and dated", and § 443.17(3) separately requires the designer responsible for an interior technical submission to "date, sign, and impress" the seal. The date accompanies the signature; it is not part of the seal impression.(Wis. Admin. Code § A-E 2.02(4); Wis. Stat. § 443.17(3))
- City on seal
- The city is one of the three items A-E 2.02(1) requires in the seal itself, alongside the name and credential number; the approved design shows it above the state abbreviation "WIS." in the centre field.(Wis. Admin. Code § A-E 2.02(1), (2))
- "Each architect, landscape architect, professional engineer, designer, professional land surveyor, and registered interior designer shall obtain a seal that complies with board specifications for registration seals. The overall diameter may not be less than 15/8 inches nor more than 2 inches. Each seal shall include the credential holder's name, credential number and city."(Wis. Admin. Code § A-E 2.02(1))
- "The following designs for registration seals have been approved:" — the approved design for the registered interior designer, published as the illustration to this subsection, shows "WISCONSIN" around the upper edge, "REGISTERED INTERIOR DESIGNER" around the lower edge, and the holder's name, credential number (shown as RID-0076), city and "WIS." in the centre field.(Wis. Admin. Code § A-E 2.02(2))
- "The registration seal may be an embossing seal, an ink stamp seal, a digitally printed seal, or digitally embedded seal in an electronic file."(Wis. Admin. Code § A-E 2.02(3))
- "Each sheet of plans, drawings, documents, specifications, and reports for architectural, landscape architectural, professional engineering, design, professional land surveying, and registered interior design practice shall be signed, sealed, and dated by the credential holder who prepared, or directed and controlled preparation of, the written material, except as specified in sub. (5)."(Wis. Admin. Code § A-E 2.02(4))
- Where more than one sheet is bound in a volume, the credential holder who prepared or directed and controlled the volume may sign, seal and date only the title or index sheet, provided that sheet clearly identifies all other sheets in the volume and any sheets prepared under another credential holder's direction are signed, sealed and dated by that other holder.(Wis. Admin. Code § A-E 2.02(5))
- "Any addition, deletion or other revision to each sheet ... which affects public health and safety or any state or local code requirements may not be made unless signed, sealed and dated by the credential holder who made or directed and controlled the making of the revision."(Wis. Admin. Code § A-E 2.02(6))
- All seals on documents to be filed as public documents must be signed and dated in one of three manners: physical placement of a seal with a handwritten signature in permanent ink containing the credential holder's name and date; digital placement of a seal with a handwritten signature in permanent ink containing the name and date; or digital placement of a seal with an electronic signature containing the name and date. If other standards for signatures or seals are prescribed by statute, the statutes govern.(Wis. Admin. Code § A-E 2.02(7)(b), (c))
- "A Wisconsin registered interior designer who is responsible for preparing an interior technical submission for delivery to any person or for a public record shall date, sign, and impress his or her seal or stamp upon the interior technical submission and any other related documents prepared by the Wisconsin registered interior designer."(Wis. Stat. § 443.17(3))
- "No Wisconsin registered interior designer may impress his or her seal or stamp upon a document unless the seal or stamp satisfies the specifications established by rule under par. (a)."(Wis. Stat. § 443.17(2)(b))
- "No Wisconsin registered interior designer may impress his or her seal or stamp upon a document that has not been prepared by the Wisconsin registered interior designer or knowingly permit his or her seal or stamp to be used by any other person."(Wis. Stat. § 443.17(4))
Wisconsin interior designer seal questions
Does your seal show your city as well as your name and credential number?▾
Wisconsin is one of the few states that requires a city in the seal itself. A-E 2.02(1) makes the credential holder's city a required element of the impression, not just of the title block. (Wis. Admin. Code § A-E 2.02(1))
Is your seal between 1-5/8 and 2 inches across?▾
The diameter is a range rather than a fixed figure — anything under 1-5/8 inches or over 2 inches fails the specification, and § 443.17(2)(b) forbids impressing a seal that does not satisfy the rule. (Wis. Admin. Code § A-E 2.02(1); Wis. Stat. § 443.17(2)(b))
Is the document you are sealing an interior technical submission you prepared?▾
Sealing duty attaches to the "interior technical submission" and related documents the designer prepared, under § 443.17(3), rather than to a general category of construction documents. (Wis. Stat. § 443.17(3))