Issued invoice sent to customers by post office and go to update passbook bank all day for check have the customers transfer money or not if have issued receipt sent to customers by post office and conclusion about expenses to boss sign cheque prepare and issued withholding tax 3% for pay to vendors and control costs in company.
The end of every month must conclusion payment voucher, receipt voucher, input vat, output vat, salary and social security for sent to account office after that conclusion PND.1,3,53 and P.P.30 for send to The revenue department and the for end of year conclusion PND.1G send to The revenue department and conclusion profit (loss) send to boss and go to contact the government office Such as the Department of Business Development Social Security Office, various areas, Revenue Department.
I can working everything if you to chance.