Children in the custody of the Secretary are allowed to attend slumber parties or sleep overs with age mates in homes that are not licensed foster homes, as long as these are not prohibited in the child's case plan. Foster families and Child Welfare Case Management Providers shall exercise good judgment in granting permission for a child to attend a slumber party or sleep over. The child, birth parents, and foster family shall be aware of and in agreement with the child participating in such activities prior to their occurrence.