Federally regulated carriers.

The requirements of this chapter pertaining to permits and certificates of public convenience and necessity do not apply to the construction of a pipeline facility exclusively subject to federal jurisdiction or to the interstate portion of the business of a pipeline or pipeline carrier exclusively subject to federal jurisdiction. However, the requirements of this chapter for permits and certificates of public convenience and necessity do apply to all the intrastate portion of the business of a pipeline or pipeline carrier subject to federal jurisdiction whenever it engages in intrastate commerce. However, nothing limits the powers of the commission set out in this chapter except to the extent they are preempted by federal law.