A parent must:(1) Work within the same building in which the child care is located;(2) Routinely be present at the work site for most of the time the child is in care;(3) Be physically accessible to the child, although the parent may be away from the building for a limited period of time, such as for lunch or to attend a business meeting, a medical appointment, or training related to work; and(4) Not be away from the building for more than four hours in a day or for more than ten hours in a week.