Get a list of Study Reasons applicable to an Australian state. 

This is an public AVETMISS list of "reasons for study" that are valid for enrolments in that state. 

Pass in the short name of the state to get study reasons for (eg. "Vic", "NSW" etc), or pass an empty string or "NAT" to get a list of nationally reportable study reasons. 

Each Study Reason item is represented by a TStudyReason. The collection of Study Reason items is represented by a List of TStudyReason. 

Since this data is public, no authentication is required. The returned Auth is used only for status and messages.

[WebMethod(Description = "Gets a list of study reasons applicable to an Australian state")]
public TAuthStudyReasonList GetStudyReasonsForState(string stateShortName);