<button string="Confirm" name="confirm" states="draft" type="workflow" icon="gtk-yes"/>
<button string="Approve" name="validate" states="confirm" type="workflow" icon="gtk-apply" groups="base.group_hr_user"/>
<button string="Approved" name="second_validate" states="validate1" type="workflow" icon="gtk-apply" groups="base.group_hr_user"/>
- <button string="Set to Draft" name="set_to_draft" states="cancel" type="object" icon="gtk-convert" groups="base.group_hr_user"/>
+ <button string="Set to Draft" name="set_to_draft" states="refuse,cancel" type="object" icon="gtk-convert" groups="base.group_hr_user"/>
</group>
</page>
</notebook>