odoo16/addons/stock_landed_costs/security/stock_landed_cost_security.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo noupdate="1">

    <record model="ir.rule" id="stock_landed_cost_rule">
        <field name="name">stock_landed_cost multi-company</field>
        <field name="model_id" search="[('model','=','stock.landed.cost')]" model="ir.model"/>
        <field name="domain_force">['|',('company_id','=',False),('company_id', 'in', company_ids)]</field>
    </record>

</odoo>