Iowa · Interior Designer seal requirements
Iowa Interior Designer seal requirements: proper sizing, signing and sealing of documents
As of
Iowa registers interior designers under Iowa Code chapter 544C, administered by the Interior Design Examining Board within the Department of Inspections, Appeals, and Licensing. Section 544C.14 requires a seal of a design, content and size prescribed by the board, and rule 193G-4.1(5) sets it: an outside circle of approximately 1 3/4 inches carrying the designer's name, the words "Registered Interior Designer," the Iowa registration number and the word "Iowa." The seal must appear in an information block on the first page or cover sheet of each technical submission, along with a signed and dated certification of responsible charge and the June 30 registration renewal date.
Iowa renumbered these rules in 2026. Both boards now sit within the Department of Inspections, Appeals, and Licensing (Iowa Code §§ 542B.3, 544A.1(2)), and the Iowa Administrative Code recorded the move as an editorial change in IAC Supplement 6/24/26: the Engineering and Land Surveying Examining Board's rules were transferred out of 193C to 481—Chapters 1045 through 1057, so the seal rule long cited as 193C—6.1(542B) is now 481—1050.1(542B). The operative text is unchanged — 481—1050.1 still carries ARC 7669C (effective 4/10/24) — but both boards' own web pages still link the superseded 193C and 193B chapter listings, so a licensee following the board's own links lands on the old numbering. Registration in Iowa is a title act and is voluntary, but registration is what confers authority to stamp and seal interior technical submissions. Iowa Code § 544C.14 in its current form comes from 2023 Acts, ch. 20, § 6, and rule 193G-4.1 was amended by ARC 7742C, effective 5-8-24.
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Iowa Interior Designer seal
- Seal requirements
- Iowa Code § 544C.14; Iowa Admin. Code r. 193G-4.1(5)
- Legend
- “Registered Interior Designer, Iowa”
- Diameter
- "An outside circle with a diameter of approximately 1 3/4 inches." Iowa Code § 544C.14(1) delegates the design, content and size to the board, and rule 193G-4.1(5)"a"(1) supplies the dimension.
- Expiration date
- The seal itself is described exhaustively in rule 193G-4.1(5)"a" - outer circle, name, "Registered Interior Designer," Iowa registration number and "Iowa" - with no expiration date. The registration renewal date is required, but in the adjacent information block, which carries the line "My registration renewal date is June 30, ______."(Iowa Admin. Code r. 193G-4.1(5)"a", "d")
- Signature date
- The information block sample provides signature and date lines beneath the certification, and Iowa Code § 544C.14(4) provides that the seal and date may be affixed electronically.(Iowa Admin. Code r. 193G-4.1(5)"d"; Iowa Code § 544C.14(4))
- City on seal
- Neither the seal contents in rule 193G-4.1(5)"a" nor the information block in paragraph "d" calls for a city or business address.(Iowa Admin. Code r. 193G-4.1(5)"a", "d")
- "A registered interior designer shall have a seal with which to identify all interior technical submissions issued by the registered interior designer for use in this state. The seal shall be of a design, content, and size prescribed by the board. A registered interior designer shall only sign and seal an interior technical submission within the scope of registered interior design."(Iowa Code § 544C.14(1))
- The seal shall include "(1) An outside circle with a diameter of approximately 1 3/4 inches. (2) The name of the registered interior designer and the words "Registered Interior Designer." (3) The Iowa registration number and the word "Iowa."" The seal "will substantially conform to the sample shown below" in the rule.(Iowa Admin. Code r. 193G-4.1(5)"a", "b")
- "A legible rubber stamp, electronic image or other facsimile of the seal may be used."(Iowa Admin. Code r. 193G-4.1(5)"c")
- Each technical submission given to a client or public agency (the official copy) must carry, on its first page or an attached cover sheet, an information block with the seal of the registered interior designer in responsible charge; the information block substantially conforms to the sample, which reads "I hereby certify that the portion of this technical submission described below was prepared by me or under my direct supervision and responsible charge. I am a duly registered interior designer under the laws of the state of Iowa," followed by signature, date, printed name, registration number, the registration renewal date of June 30, and the pages or sheets covered by the seal.(Iowa Admin. Code r. 193G-4.1(5)"d")
- "The seal and original signature shall be applied only to a final technical submission," and each official copy must be stapled, bound or otherwise attached so as to establish the complete extent of the submission.(Iowa Admin. Code r. 193G-4.1(5)"d")
- "The placement of the registered interior designer's signature and seal shall indicate the document or part thereof for which the seal applies. The seal and date may be affixed electronically. The registered interior designer may provide, at the sole discretion of the registered interior designer, an original signature in the handwriting of the registered interior designer, a scanned copy of the document bearing an original signature, or a computer-generated signature."(Iowa Code § 544C.14(4))
- Information in the information block must be typed or legibly printed in permanent ink or bear a secure electronic signature; an electronic signature under Iowa Code chapter 554D satisfies the rule if protected by a security procedure such as digital signature technology that verifies the signer and detects post-signature changes.(Iowa Admin. Code r. 193G-4.1(5)"e")
- A registered interior designer shall not impress the seal on an interior technical submission that the designer did not author or that was not prepared under the designer's direct supervision and responsible charge, and shall not affix the registration number, seal or signature to a submission the designer is not competent to perform.(Iowa Code § 544C.14(2), (5), (6))
- "A registered interior designer is responsible for the custody and proper use of the seal. Improper use of the seal may be grounds for disciplinary action," and the seal on a technical submission "establishes prima facie evidence that said technical submission was prepared by or under the responsible charge of the individual named on that seal."(Iowa Admin. Code r. 193G-4.1(5)"g", "h")
Iowa interior designer seal questions
Is the seal alone enough on an Iowa technical submission?▾
No. Rule 193G-4.1(5)"d" requires the seal to sit inside an information block containing a certification of direct supervision and responsible charge, the signature and date, printed name, registration number, the June 30 renewal date, and the pages or sheets the seal covers. (Iowa Admin. Code r. 193G-4.1(5)"d")
Does the seal cover the whole submission?▾
It is presumed to. "The seal implies responsibility for the entire technical submission unless the area of responsibility is clearly identified in the information accompanying the seal." (Iowa Admin. Code r. 193G-4.1(5)"e")