///<summary>
	/// Returns  first repetition of PPV_PCA_ORDER (a Group object) - creates it if necessary
	///</summary>
	public PPV_PCA_ORDER GetORDER() {
	   PPV_PCA_ORDER ret = null;
	   try {
	      ret = (PPV_PCA_ORDER)this.GetStructure("ORDER");
	   } catch(HL7Exception e) {
	      HapiLogFactory.GetHapiLog(GetType()).Error("Unexpected error accessing data - this is probably a bug in the source code generator.", e);
	      throw new System.Exception("An unexpected error ocurred",e);
	   }
	   return ret;
	}
 ///<summary>
 ///Removes the given PPV_PCA_ORDER
 ///</summary>
 public void RemoveORDER(PPV_PCA_ORDER toRemove)
 {
     this.RemoveStructure("ORDER", toRemove);
 }