bank-payment/account_bank_statement_tax/view/account_bank_statement.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="view_bank_statement_form" model="ir.ui.view">
            <field name="name">Add tax to the embedded bank statement line form</field>
            <field name="inherit_id" ref="account.view_bank_statement_form" />
            <field name="model">account.bank.statement</field>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='line_ids']/tree/field[@name='amount']"
                       position="after">
                    <field name="tax_id"
                           domain="[('parent_id', '=', False), ('price_include', '=', True), ('type_tax_use', 'in', (amount and amount &gt; 0 and ('sale', 'all') or ('purchase', 'all')))]"
                           />
                </xpath>
            </field>
        </record>
    </data>
</openerp>