tax

Dear Sir

We have a new case to create a VAT tax on EBS system. we would like to change a default VAT on Order Management Module. In existing, system default value is VAT 16% in line by line item. how can we change this default value from VAT 16% to VAT 13%。If you changed the default value of VAT 13% in line by line on item. Is it allow user change manual on that line item?

We are looking for your advice

Best Regards.