Indiana Code Title 25. Professions and Occupations § 25-21.5-5-8

(1) Statements showing either the registration number issued by another state or the education and qualifications of the applicant.

(2) A detailed summary of the technical work performed by the applicant, including a confirmation by the professional surveyor who supervised the work.  If the summary of the technical work cannot be confirmed because of conditions beyond the control of the applicant, including death, incompetence, or nonregistration by the supervising professional surveyor, the board may allow the confirmation requirement to be fulfilled through other evidence.

(3) The names of five (5) persons to be used as references, at least three (3) of whom must be registered professional surveyors who have a personal knowledge of the experience of the applicant.