Volume 4 (Investment Business) of the BMA Rulebook is issued by the BMA pursuant to Legislative Decree No. 23 of 1973, with respect to the establishment, administration and operations of the BMA ("the BMA law 1973"). Articles 14(d), 14(g) and 41 of the BMA law 1973, enable the BMA to lay down the regulations and control provisions for financial and investment organisations. Other articles in the BMA law 1973 also confer various specific powers on the BMA. Where these provide the legal basis for a certain requirement, then these articles are referred to in the Purpose Section of the specific Module concerned.