AMP Ltd :Decision To Change Management Rights Of Acrt.Received Notice From Majority Unitholders In Amp Capital Retail Trust Of Their Intention To Move Management Of Trust To An External Entity.Respects Decision Of Unitholders And Will Now Be Working With Them To Effect Transfer Of Management Rights.As Of 31 July Assets Under Management Of Trust Were A$2.7 Billion.Earnout Payable To Amp Under Sale Terms Will Reduce To Approximately A$20 Million.Will Now Be Working With Unitholders To Effect Transfer Of Management Rights.Decision To Change Manager Does Not Impact Completion Of Sale Of Real Estate And Domestic Infrastructure Equity Business To Dexus.Further Company Coverage: Amp.Ax. ((Reuters.Briefs@Thomsonreuters.Com;)).