20. (1) Subject to the provisions of this Ordinance and the rules, the Board may, by notification in the official Gazette, and with previous approval of the Government, make regulations for the purpose of giving effect to this Ordinance. (2) In particular, and without prejudice to the generality of the foregoing powers, such regulations may provide for-(a) formulation of training schemes;(b) terms and conditions of service and duties and conduct of the officers and other employees of the Bureau;(c) constitution and management of provident funds, benevolent and welfare funds for the officers and other employees of the Bureau and all matters connected with such funds;(d) appointment of advisory committee for the purpose of this Ordinance.