Amendments of Fair Trading Act 1973 Amendments of Fair Trading Act 1973 21Monopoly references by Secretary of State alone. 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Amendment of s.137(3) of Fair Trading Act 1973. 24Modification of provisions about performance of Commission’s functions. Amendments of Fair Trading Act 1973