/// <summary>
/// F1013_s the list unpaid receipts.
/// </summary>
/// <param name="userId">userId.</param>
/// <returns>returns BatchPaymentMgmtDataSet.</returns>
public F1013BatchPaymentMgmtData F1013_ListUnpaidReceipts(int?userId)
{
return(WSHelper.F1013_ListUnpaidReceipts(userId));
}