The Secretary of the Department of Health and Human Services is authorized to adopt an official seal to be used as directed by the said Secretary on appropriate occasions in connection with the functions of such Department or of any office, bureau, board, or establishment which is or shall hereafter become a part of such Department, and such seal shall be judicially noticed. Copies of any books, records, papers, or other documents in the Department of Health and Human Services shall be admitted in evidence equally with the originals thereof when authenticated under such seal.