1. Unless the particular provision or the context otherwise requires, the rules of construction and general provisions set forth in this section govern the construction of this chapter.
2. Whenever any power or authority is given to, or any duty is imposed upon, any person by the provisions of this chapter it may be exercised or performed by any deputy or person authorized by him or her unless it is expressly provided that it shall be exercised in person.
3. Whenever any reference is made to any portion of this chapter or of any other law, such reference applies to all amendments and additions thereto.