Once you’ve finally crossed off those last-minute items on your to-do list and are ready to check out of work mode for while, there’s just one last thing you need to do – set your out-of-office message.
One may also ask, how do you write a holiday notice? Holiday Notice Letter Writing Tips Specify the duration of leave and name of the colleague who will handle your work responsibilities in your absence. Furnish contact details for any urgent requirement and mention your date of joining back work. I will be out of the office starting (Starting Date) through (End Date) returning(Date of Return). If you need immediate assistance during my absence, please contact (Contacts Name) at (Contacts Email Address). Otherwise I will respond to your emails as soon as possible upon my return. Include the date of your return. Let people know of any other individuals they can contact for help in your absence. If people typically contact you for a certain type of information or approval, let readers know how they can find the information or get the approval in your absence. How do you write a professional out of office message?

Try something like, "For immediate assistance, please contact Boss Name at [email protected]."
There were a lot of bilingual staff at my last job, and they always did their out of office messages in both languages. But who knows, maybe the Welsh translator was in a rush and forgot. An agency that handles government translations like road signs might be expected have such rules. On the other hand, never underestimate the boneheadedness of the monolinguals. Especially English ones.