BiTel

int cid = 15997;
Calendar date1 = Calendar.getInstance();
date1.add(Calendar.MONTH, -5);

Connection con = connectionSet.getConnection();
ContractManager cm = new ContractManager(con);
BalanceUtils bu = new BalanceUtils(con);

java.math.BigDecimal sum = bu.getAccountSumma(cm.getContractById(cid), date1, "8,11,12,13,18");//(Contract contract, java.util.Calendar month, java.lang.String sids - услуги)
print (date1.getTime());
print (sum);