under this chapter is not permitted or required to testify in a private civil action concerning any documents, materials, or other information described in subsection (a).
if the commissioner maintains the confidential or privileged status of the documents, materials, and other information that are received with notice or the understanding that the documents, materials, and other information are confidential or privileged under the laws of the jurisdiction that is the source of the documents, materials, and other information.
IC 27-1-23.5-13