how to park customer invoice with tax using BAPI_ACC_Document_post

Hi Experts,

I am populating the accountgl ,accountreceivable, accounttax,currencyamount stuctures with data to park the customer invoice with tax.We have taxline from the input file.When I am trying to post this parked document.There is no base amount populated eventhough I pass the base_amt to currencyamount structure .Kindly anyone advise how to park the customer invoice with taxline.

Thanks & Regards,

Anu