what is the automated customer account transfer service acats 
the automated customer account transfer service acats is a system that facilitates the transfer of securities from one trading account to another at a different brokerage firm or bank the national securities clearing corporation nscc developed the acats system replacing the previous manual asset transfer system with this fully automated and standardized one 1 this greatly reduced the cost and time of moving assets between brokerage accounts as well as cut down on human error in the united kingdom and ireland the central securities depository process is handled by the certificateless registry for electronic share transfer crest 