yes although where i am doesnt technically....the supervisor isnt level 3 nor the assistant but ofsted have okayed it because 2 qualified members on site within 20 minutes of it starting
i was told today by ofsted that if it is only 1 hour and not registered with ofsted then it doesnt matter about qualifications. As ours is attached to nursery and included in the registration then we need to have a level 3 person in charge