SECTION 1728 x. The commissioner of labor or any factory inspector acting under his direction shall enforce the provisions of this law, and he is hereby vested with all powers requisite therefor. SECTION 1728 y. The permit of any child, who in any city of the first class distributes, sells or offers for sale any newspapers, magazines or periodicals in any street or public place or works as a bootblack or in any other street trade, or sells or offers for sale or distributes any hand bills or other articles in violation of the provisions of this act, or who becomes delinquent or fails to comply with all the legal requirements concerning school attendances shall forthwith be revoked for a period of six months and his badge taken from said child. The refusal of any child to surrender such permit, and the distribution, sale or offering for sale of newspapers, magazines or periodicals or any goods or merchandise, or the working by such child as a bootblack or in any other street or public trade, or in distributing hand bills or other articles, after notice, by any officer authorized to grant permits under this law of the revocation of such permit and a demand for the return of the badge, shall be deemed a violation of this act. The permit of said child may also be revoked by the officer who issued such permit, and the badge taken from such child, upon the complaint of any police officer or other attendance officer or probation officer of a juvenile court, and such child shall surrender his permit and badge upon the demand of any police officer, truancy or other attendance officer or probation officer of a juvenile court or other officer charged with the duty of enforcing this act. In case of a second violation of this act by any child, he shall be brought before the juvenile court, if there shall be any juvenile court in the city where such child resides, or, if not, before any court or magistrate having jurisdiction of offenses committed by minors and be dealt with according to law. SECTION 1728 z. Any parent or other person who employs a minor under the age of sixteen years in peddling without a license or who, having the care or custody of such minor, suffers or permits the child to engage in such employment, or to violate sections 1728 p to 1728 za, inclusive, shall be punished by a fine not to exceed one hundred dollars nor less than twenty-five dollars, or by commitment to the county jail for not more than sixty days or less than ten days.