Any private organization, other than a school, which devotes a major portion of its time to providing recreational, social, educational or safety services to children under age 18 may require, as a condition of employment with the organization or as a condition of association with the organization to provide volunteer services to it, that a current employee or volunteer or an applicant for employment or volunteer association sign a statement, under penalty of perjury, stating whether that person has ever been convicted of or charged with an offense involving the person’s intentional infliction of physical injury upon a child, sexual abuse of a child or child abduction under the laws of this State or any other state or the United States.