That every work permit shall state the name, sex, the date and place of birth, and the place of residence, and describe the color of the hair and eyes, and the height and weight of such child, and shall contain a statement of the proof of age accepted and shall verify that the papers required by the preceding sections have been duly examined, approved, and filed, and that the child named in such permit has appeared before the official issuing the permit and has been examined. Every such permit shall be signed in the presence of the official issuing the same, by the child in whose name it is issued. It shall show the date of its issue.