1. (a) An Interior Designer shall undertake to perform a professional service only when the Interior Designer, together with those whom the Interior Designer shall engage as consultants, is qualified by education and/or experience in the specific technical areas involved. During the delivery of a professional service, an Interior Designer shall act with reasonable care and competence and shall apply the technical knowledge and skill which is ordinarily applied by reasonably prudent interior designers practicing under similar circumstances and conditions.
2. (b) An Interior Designer shall not affix his/her signature or seal to any interior design plan or document dealing with subject matter in which he/she is not qualified by education and/or experience to form a reasonable judgment.

3. (c) "Gross Incompetency" shall be grounds for disciplinary action by the Board. An Interior Designer may be found guilty of "Gross Incompetency" under any of the following circumstances:

   1. (1) the Interior Designer has engaged in conduct that provided evidence of an inability or lack of skill or knowledge necessary to discharge the duty and responsibility required of an Interior Designer;
   2. (2) the Interior Designer engaged in conduct which provided evidence of an extreme lack of knowledge of, or an inability or unwillingness to apply, the principles or skills generally expected of a reasonably prudent interior designer;
   3. (3) the Interior Designer has been adjudicated mentally incompetent by a court; or
   4. (4) pursuant to section 5.159(b).

Source Note:The provisions of this §5.152 adopted to be effective March 1, 2001, 26 TexReg 1726.