43 Tex. Admin. Code § 9.82
The department may use competitive sealed proposals to procure scientific services including those of an archeologist, biologist, geologist, historian, architectural historian, or other technical expert to conduct environmental or cultural studies, analyses, and document preparation required by state or federal law for a transportation project within the authority or jurisdiction of the department.
Source Note:The provisions of this §9.82 adopted to be effective March 21, 1999, 24 TexReg 1829.