County Building shall mean any building that is: Owned, leased, or managed by the County; or Used to house a branch of government; or Used by County employees for the purposes of employment; or Open to the public for the purpose of accessing services rendered by the County. This definition excludes all property owned or managed by the Prince George's County Board of Education. Lactation Room shall mean a private and hygienic place, other than a bathroom, where a nursing mother may express breastmilk and/or breastfeed. Portable Lactation Room shall mean a prefabricated, portable structure designed for nursing mothers to express breastmilk and/or breastfeed in a private and hygienic space.