Section 28 of the Principal Act is amended as follows:(a) by omitting paragraph (b) from subsection (1) and substituting the following paragraph:(b) aggrieved, as a registered bookmaker or bookmaker's agent, by the decision of a registered club to withdraw its permission for the person to engage in bookmaking on a racecourse under its control; or(b) by omitting from subsection (1)(d)(ii) "owned or leased" and substituting "owned, leased or trained" ;(c) by omitting subsection (2) and substituting the following subsection:(2) However, an appeal does not lie to the TRAB in respect of a stewards' decision which alters the result of a horse race or greyhound race if the decision was made before the declaration of "correct weight" or "all clear" .