Whenever in one section reference is made to another section hereof, such reference shall extend and apply to the section referred to as subsequently amended, revised, recodified, or renumbered unless the subject matter is changed or materially altered by the amendment or revision. Whenever a provision in this code adopts the provisions of another portion of this code, state or federal law or state or federal regulations by reference it also adopts by reference any subsequent amendments of such code provision, law, or regulation, except where there is a clearly stated intention to the contrary.