<data priority="50">
    <field name="number_of_days_display" position="attributes">
        <attribute name="attrs">{'readonly': ['|', '|', ('type_request_unit', '=', 'hour'), ('state', 'not in', ('draft', 'confirm')), ('allocation_type', '=', 'accrual')]}</attribute>
    </field>
    <field name="number_of_hours_display" position="before">
        <span> / </span>
    </field>
    <field name="number_of_hours_display" position="attributes">
        <attribute name="attrs">{'readonly': ['|', '|', ('type_request_unit', '!=', 'hour'), ('state', 'not in', ('draft', 'confirm')), ('allocation_type', '=', 'accrual')]}</attribute>
    </field>
</data>
