N.C. Gen. Stat. § 106-579.2

It is desirable that there should be uniformity between the requirements of the several states. Therefore, the Board and Commission are directed, consistent with the purposes of this Article, to so enforce this Article as to strive for achievement of such uniformity and are also authorized and empowered to cooperate with and enter into agreements with any other agency of this State, or any other state regulating antifreeze, for the purpose of carrying out the provisions of this Article and securing uniformity of regulations in conformity to the primary standards established by this Article.