Urgent

i want to know what will be journal entry in a logistic company (CHA) for providing services. as comapny charges two type of amount from its clients. 1. for providing services 2. for payment at port on behalf of clients. the company generae invoices for the first transaction and debit note for the second transaction. thank you  

as per my knowledge for the amount for which invoice is being generate entry will be for service provided with applicable ST party dr to Sevice revenue  to sevice tax and after getiing payment cash or bank dr  to party ..my question is for debit note where no ST and the amount of debit note is reimbursed by customer as being paid on behalf of customer.... and also tell me the said customeduty or port charges will be under which head,,in tally thanks

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