withholding tax rounding at payment in ap Oracle ERP

[mukarram1]

we wanted to round the tax when making the payment in ap,
well it required the customization of package if any want can help to privde the code which i change in that package to do the rounding.
from
mukarram

[seenu]

IF sys_context('JG','JGZZ_PRODUCT_CODE') is not null THEN
return( ROUND(JG_WITHHOLDING_TAX_PKG.Get_Rate_Id(
P_Tax_Name
,P_Invoice_Id
,P_Payment_Num
,P_Awt_Date
,P_Amount), 0) );
END IF;

[mukarram1]

either we change in package body or package speciafication
in body they said that wirte all custom text we copy to that area
or what change in package specfiicatons

[Google]

Any functional person out here.

I need the set up steps for the withholding tax and at the same time how can we round the amount when we are paying to the tax authority in ap.

Please revert here or good_looking_bad_character_glbc@yahoo.com

I need the set up steps. Am working on 11.5.10.02

Regards
google

either we change in package body or package speciafication
in body they said that wirte all custom text we copy to that area
or what change in package specfiicatons