The Act of Sederunt (Rules of the Court of Session 1994 Amendment) (No. 4) (Protective Expenses Orders) 2015 amends Chapter 58A of the Rules of the Court of Session 1994. The rules in Chapter 58A make provision for the granting of protective expenses orders in certain proceedings relating to the environment. The amendments add to the categories of proceedings in which such an order can be granted. It comes into force on 11 January 2016.