The defense of sovereign immunity is applicable in any action or other proceeding brought pursuant to this part only to the extent that it would apply to a person injured or threatened with injury in this state.
Mont. Code Ann. § 75-16-108, under Uniform Transboundary Pollution Reciprocal Access Act.
Mont. Code Ann. § 75-16-108
The defense of sovereign immunity is applicable in any action or other proceeding brought pursuant to this part only to the extent that it would apply to a person injured or threatened with injury in this state.