/// <summary>
/// Determines whether [is valid erb invoice] [the specified erb invoice].
/// </summary>
/// <param name="erbInvoice">The erb invoice.</param>
/// <returns>Eine <see cref="EbInterfaceResult"/> Instanz</returns>
public static EbInterfaceResult IsValidErbInvoice(string erbInvoice)
{
var inv = (InvoiceModel)InvoiceFactory.LoadXml(erbInvoice);
EbInterfaceResult result = inv.IsValidErbInvoice();
return(result);
}