"Despite its merits, subsidiary legislation has several defects. It brings with it the danger of the enhancement of the powers of the executive and erosion of the powers of the legislature". (Ahmad Ibrahim, The Malaysian Legal System (1995), DBP, p.99)

a) With reference to the above statement, list down the defects of subsidiary legislation and the list of various controls available to minimise these defects. (10 marks)

b) Explain briefly and widely on how are these methods is sufficient to prevent the abuse of delegation of legislative powers.