This Function shall be capable of providing the following facilities:<br/><br/>(1) The ability to check meta-data structures.<br/>(2) The ability to maintain the accessible meta-data, i.e. update the meta-data repository.<br/>
(a) continuously monitor for the arrival of the input logical data flow;<br/>(b) when the third logical input data flow is received in (a), check its contents and to determine exactly what action is required;<br/>(c) if checking of the meta-data structure is required, check through the contents of D3.15 and ensure that all the structures are correct.<br/>