Indiana Code Title 25. Professions and Occupations § 25-21.5-9-1

Sec. 1. (a) The granting of registration extends to the professional surveyor the authority to use a seal of a design authorized by the rules of the board.  The act of affixing the seal attests to the professional surveyor's acceptance of full professional responsibility for the sealed documents.  A person may not stamp or seal a document with a seal while the certificate of the named professional surveyor is expired or revoked.

(b) Collection of field data, note reduction, computation, office analysis, and preparation of certificates and reports for a survey, plan, specification, plat, drawing, or report sealed by a professional surveyor must be performed by a professional surveyor or an employee acting under the personal supervision and direction of the professional surveyor.