account-financial-tools/account_account_tag_code/views/account_account_tag_views.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <record id="account_tag_view_form_code" model="ir.ui.view">
        <field name="name">account.tag.view.form.code</field>
        <field name="model">account.account.tag</field>
        <field name="inherit_id" ref="account.account_tag_view_form" />
        <field name="arch" type="xml">
            <field name="name" position="after">
                <field name="code" />
            </field>
        </field>
    </record>

    <record id="account_tag_view_tree_code" model="ir.ui.view">
        <field name="name">account.tag.view.tree.code</field>
        <field name="model">account.account.tag</field>
        <field name="inherit_id" ref="account.account_tag_view_tree" />
        <field name="arch" type="xml">
            <field name="name" position="after">
                <field name="code" />
            </field>
        </field>
    </record>
</odoo>