(a) This chapter does not prohibit one or more geologists from practicing through the business organizations of a sole proprietorship, partnership, corporation, or professional association. In a partnership, corporation, or professional association, in which the primary activity consists of geological services affecting the public welfare and which require licensing pursuant to this chapter, at least one partner or officer shall be a licensed geologist.

(b) This chapter shall not be construed to prevent or to affect:

(1) The practice of any profession or trade for which a license is required under any other law of this state, including, but not limited to, the practice of registered professional engineers from lawfully practicing soil mechanics, foundations engineering, and other professional engineering, licensed architects or landscape architects from lawfully practicing architecture or landscape architecture, licensed land surveyors from lawfully practicing surveying, or the practice of soil science by certified professionals.

(2) The public practice of geology by a person who is not a resident of this state and who has no established place of business in this state, when that practice does not exceed in the aggregate more than 90 days in any calendar year, provided the person is duly licensed to practice the profession in another state where the requirements for a license are not less than those specified in this chapter for obtaining the license required for the work. Within 10 days of entering this state for commencing of the work, a nonresident claiming an exemption under this subdivision shall file a statement with the board which includes his or her name, residence, and license number, and by what authority the license was issued. Upon the completion of the work, the person shall file a statement of the time engaged in the work within the state.